https://www.sciencedaily.com/news/health_medicine/dietary_supplements/ Dietary supplements and minerals. Which are important for your health? Read the latest medical research on vitamins, omega 3 fatty acids, minerals and other dietary supplements. en-us Sun, 09 Aug 2026 08:48:51 EDT Sun, 09 Aug 2026 08:48:51 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/dietary_supplements/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/08/260808234948.htm Full-fat dairy may be healthier than conventional advice has suggested. In a 12-week study, adults who ate three servings a day showed no meaningful increases in weight, body fat, cholesterol, or insulin resistance. They also experienced improved blood pressure and consumed more calcium, protein, and vitamin D. The findings suggest dairy’s complex structure may matter more than its saturated fat content alone. Sun, 09 Aug 2026 08:12:46 EDT https://www.sciencedaily.com/releases/2026/08/260808234948.htm https://www.sciencedaily.com/releases/2026/08/260807235103.htm Changing how much sweet-tasting food people eat may not change how much they crave or enjoy sweetness after all. In a six-month trial, researchers found that people assigned to high-, low-, or average-sweetness diets showed no meaningful differences in their preference for sweet foods, body weight, or markers linked to diabetes and heart disease. Many participants also drifted back toward their previous eating habits once the trial ended. Sat, 08 Aug 2026 08:55:19 EDT https://www.sciencedaily.com/releases/2026/08/260807235103.htm https://www.sciencedaily.com/releases/2026/08/260806051943.htm Genetic changes may set off a chain reaction that causes the spine’s natural shock absorbers to harden and deteriorate. Zebrafish with a faulty collagen-related gene developed mineral buildup and spinal fusion similar to human disc disease. Researchers were able to reduce the damage using an existing osteoporosis drug and by targeting fat metabolism. The discovery points to several exciting possibilities for future back pain treatments. Thu, 06 Aug 2026 05:50:21 EDT https://www.sciencedaily.com/releases/2026/08/260806051943.htm https://www.sciencedaily.com/releases/2026/08/260806050717.htm Linus Pauling was widely mocked for claiming that vitamin C could fight cancer, especially after trials using vitamin C pills showed no benefit. Researchers now know that intravenous vitamin C reaches vastly higher concentrations and can behave more like an experimental cancer drug than an ordinary supplement. Early studies suggest it may damage vulnerable cancer cells, reduce treatment side effects, and possibly improve outcomes for some patients. Fri, 07 Aug 2026 09:02:16 EDT https://www.sciencedaily.com/releases/2026/08/260806050717.htm https://www.sciencedaily.com/releases/2026/08/260802223417.htm Low arginine levels may allow cancer cells and viruses to slip past the immune system by reducing production of a crucial cellular warning protein. In mice, arginine-rich diets led to fewer colon tumors and milder viral infections, suggesting a simple supplement could have powerful therapeutic potential. Mon, 03 Aug 2026 09:38:04 EDT https://www.sciencedaily.com/releases/2026/08/260802223417.htm https://www.sciencedaily.com/releases/2026/08/260801042811.htm A sweeping review of more than 350 studies suggests that the protein boom may be overselling what many people actually need. Eating less protein appears to improve metabolism, reduce inflammation and cellular damage, and activate pathways linked to healthier aging and longer life. Sun, 02 Aug 2026 00:52:01 EDT https://www.sciencedaily.com/releases/2026/08/260801042811.htm https://www.sciencedaily.com/releases/2026/07/260729010742.htm A compound in rice bran may help calm an overactive gut by reducing the calcium signals that cause intestinal muscles to contract. Ferulic acid suppressed contractions triggered by several chemical messengers in laboratory experiments. The discovery could eventually support new dietary approaches for diarrhea-related digestive disorders, although it may make constipation worse. Thu, 30 Jul 2026 08:44:29 EDT https://www.sciencedaily.com/releases/2026/07/260729010742.htm https://www.sciencedaily.com/releases/2026/07/260729010716.htm Taking a daily multivitamin may help older adults preserve the strength and stamina needed for everyday activities. After three years, users reported better functional health than those taking a placebo, although the preliminary findings still require peer review. Wed, 29 Jul 2026 19:44:16 EDT https://www.sciencedaily.com/releases/2026/07/260729010716.htm https://www.sciencedaily.com/releases/2026/07/260727012128.htm A grocery-store audit found that many foods marketed for toddlers may be far less healthy than parents expect. Of nearly 2,800 products examined in Texas, 81% were ultra-processed, and almost half failed at least one World Health Organization nutrient standard, often because they contained too much sugar, sodium, fat, or too many calories. Tue, 28 Jul 2026 23:13:38 EDT https://www.sciencedaily.com/releases/2026/07/260727012128.htm https://www.sciencedaily.com/releases/2026/07/260724061448.htm A prebiotic fiber supplement reduced knee osteoarthritis pain while also improving grip strength and pain sensitivity in a six-week trial. The results hint at a fascinating gut-muscle-pain connection and suggest that a simple daily supplement may be easier to maintain than digital physiotherapy. Sat, 25 Jul 2026 06:01:05 EDT https://www.sciencedaily.com/releases/2026/07/260724061448.htm https://www.sciencedaily.com/releases/2026/07/260724061432.htm A sulfur-based compound called LASSS appears to protect and supercharge a key protein involved in repairing damaged muscle. The discovery could eventually lead to new ways to slow muscle loss and preserve strength as people age. Fri, 24 Jul 2026 09:37:50 EDT https://www.sciencedaily.com/releases/2026/07/260724061432.htm https://www.sciencedaily.com/releases/2026/07/260721000845.htm A plant-derived compound reduced swelling, inflammation, and joint damage in rats with rheumatoid arthritis. It also helped rebalance immune activity and improve the way certain fats were processed in the body. Researchers say the findings could lead to a new approach for treating the disease. Wed, 22 Jul 2026 21:57:05 EDT https://www.sciencedaily.com/releases/2026/07/260721000845.htm https://www.sciencedaily.com/releases/2026/07/260719230608.htm Stanford Medicine researchers have discovered a naturally occurring molecule that may suppress appetite and reduce body weight much like Ozempic, but without several of its common side effects. The molecule, called BRP, acts on a more targeted region of the brain involved in hunger and metabolism rather than affecting tissues throughout the body. Fri, 24 Jul 2026 09:44:43 EDT https://www.sciencedaily.com/releases/2026/07/260719230608.htm https://www.sciencedaily.com/releases/2026/07/260718010200.htm Scientists have redesigned zinc oxide particles to create a mineral sunscreen that protects against ultraviolet radiation without leaving such a noticeable white cast. The SPF 30 formula could make sunscreen easier and more appealing to use across a wider range of skin tones. Sun, 19 Jul 2026 23:32:12 EDT https://www.sciencedaily.com/releases/2026/07/260718010200.htm https://www.sciencedaily.com/releases/2026/07/260717033046.htm Researchers have developed a fluoride-free gel that could help rebuild damaged tooth enamel, something the body cannot naturally replace once it is lost. Inspired by the proteins that guide enamel formation in infancy, the gel fills microscopic cracks and draws calcium and phosphate from saliva to grow a new mineral layer that closely matches healthy enamel. Thu, 23 Jul 2026 00:18:37 EDT https://www.sciencedaily.com/releases/2026/07/260717033046.htm https://www.sciencedaily.com/releases/2026/07/260716023605.htm The Mediterranean diet may influence aging through tiny proteins produced inside the cell’s mitochondria. Older adults who followed the diet most closely had higher levels of humanin and SHMOOSE, which have been linked to heart and brain protection. Olive oil, fish, legumes, and fewer refined carbohydrates appeared especially important. The findings could eventually help scientists develop more personalized nutrition plans for healthy aging. Fri, 17 Jul 2026 22:24:14 EDT https://www.sciencedaily.com/releases/2026/07/260716023605.htm https://www.sciencedaily.com/releases/2026/07/260713084904.htm A new study found that chewing sugary gum after eating nitrate-rich vegetables or drinking beetroot juice helped the body produce more beneficial nitrite, leading to a temporary drop in blood pressure. Researchers hope the discovery will lead to healthier ways to enhance the cardiovascular and performance benefits of dietary nitrate without relying on sugar. Tue, 14 Jul 2026 20:24:05 EDT https://www.sciencedaily.com/releases/2026/07/260713084904.htm https://www.sciencedaily.com/releases/2026/07/260708022206.htm Scientists found that a modified Mediterranean-style diet with low protein and just enough methionine helped mice live healthier lives while reducing body fat and frailty. Human data also linked lower animal protein intake to lower rates of obesity and Type 2 diabetes, suggesting the approach could benefit people as well. Thu, 09 Jul 2026 22:54:41 EDT https://www.sciencedaily.com/releases/2026/07/260708022206.htm https://www.sciencedaily.com/releases/2026/07/260707054114.htm A new study found that dietary fiber can determine whether beneficial intestinal worms help reduce inflammation or become essentially inactive. With plenty of fiber, the worms remained healthy and supported an anti-inflammatory response, while a low-fiber diet pushed them into a hibernation-like state that eliminated those benefits. Researchers also found that fiber-rich diets promoted healthier gut bacteria, whereas Western-style diets reduced microbial diversity and encouraged less desirable microbes. Fri, 10 Jul 2026 19:59:04 EDT https://www.sciencedaily.com/releases/2026/07/260707054114.htm https://www.sciencedaily.com/releases/2026/07/260701205001.htm Researchers have cracked the code behind bacteria's ability to naturally manufacture multiple versions of powerful anti-cancer drugs. The discovery could make it much easier to engineer new cancer treatments inspired by nature, including improved versions of existing medicines. Wed, 08 Jul 2026 17:28:31 EDT https://www.sciencedaily.com/releases/2026/07/260701205001.htm https://www.sciencedaily.com/releases/2026/07/260701015237.htm Scientists have discovered that creatine may strengthen one of the immune system's most important cancer-fighting pathways by energizing dendritic cells that activate killer T cells. The promising results could eventually help make immunotherapy more effective, but they have not yet been tested in human patients. Wed, 08 Jul 2026 05:32:21 EDT https://www.sciencedaily.com/releases/2026/07/260701015237.htm https://www.sciencedaily.com/releases/2026/06/260626125712.htm Scientists have redesigned a key piece of MRI hardware using metamaterials, allowing existing scanners to produce clearer images of difficult-to-see parts of the body in less time. The breakthrough could improve diagnoses, make scans more comfortable, and open the door to new medical imaging and treatment applications. Fri, 10 Jul 2026 01:18:49 EDT https://www.sciencedaily.com/releases/2026/06/260626125712.htm https://www.sciencedaily.com/releases/2026/06/260626030428.htm Could something as simple as vitamin C help support a healthier aging brain? In a study of more than 2,000 older adults in Japan, researchers found that people with lower vitamin C levels in their blood also tended to have less gray matter and weaker connections in a key brain network involved in memory, attention, and other cognitive functions. Wed, 01 Jul 2026 01:22:38 EDT https://www.sciencedaily.com/releases/2026/06/260626030428.htm https://www.sciencedaily.com/releases/2026/06/260625060212.htm Some people live past 100 with remarkable health, and researchers may have uncovered one reason why. A new study found that centenarians have a unique chemical "fingerprint" in their blood that sets them apart from normal aging, including unusual patterns of bile acids and steroids linked to longer survival. Sat, 04 Jul 2026 20:45:09 EDT https://www.sciencedaily.com/releases/2026/06/260625060212.htm https://www.sciencedaily.com/releases/2026/06/260624025511.htm Osteopenia is a common but often overlooked condition that causes bones to become less dense and more fragile. Because it develops silently, many people only discover they have it after a fracture or bone scan. Aging, menopause, poor diet, and inactivity can all contribute to bone loss. Fortunately, exercise, adequate calcium and vitamin D, and other healthy habits can slow or even partially reverse the decline. Thu, 25 Jun 2026 00:25:26 EDT https://www.sciencedaily.com/releases/2026/06/260624025511.htm https://www.sciencedaily.com/releases/2026/06/260623083116.htm Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 years ago. Today, researchers are finding that B12 may also help keep cellular powerhouses called mitochondria functioning properly. This could explain why some people experience fatigue and brain fog even before traditional signs of deficiency show up. Thu, 25 Jun 2026 10:57:39 EDT https://www.sciencedaily.com/releases/2026/06/260623083116.htm https://www.sciencedaily.com/releases/2026/06/260623083104.htm A study of nearly 300 people across northern Britain found that vitamin D levels often stay low all year in groups most at risk. Surprisingly, summer sunshine did not significantly boost vitamin D levels among older adults or people from minoritized ethnic backgrounds. Wed, 24 Jun 2026 00:45:50 EDT https://www.sciencedaily.com/releases/2026/06/260623083104.htm https://www.sciencedaily.com/releases/2026/06/260622014300.htm Fish oil supplements successfully delivered omega-3s to the brain, but a two-year study found no meaningful benefits for memory, cognition, or Alzheimer’s-related brain changes. The results challenge the idea that fish oil pills can help prevent Alzheimer’s and shift attention toward overall diet and lifestyle instead. Mon, 29 Jun 2026 03:19:12 EDT https://www.sciencedaily.com/releases/2026/06/260622014300.htm https://www.sciencedaily.com/releases/2026/06/260621060318.htm Not all fats affect your body the same way. Researchers found that palmitic acid, a saturated fat common in many foods, may contribute to insulin resistance and type 2 diabetes by triggering inflammation, toxic fat buildup, and cellular stress. In contrast, oleic acid—the heart-healthy fat abundant in olive oil—appears to help protect insulin function and may even counter some of the harmful effects of palmitic acid. Sun, 21 Jun 2026 20:25:04 EDT https://www.sciencedaily.com/releases/2026/06/260621060318.htm https://www.sciencedaily.com/releases/2026/06/260619101345.htm Researchers discovered an “Achilles’ heel” shared by E. coli, Shigella, and other diarrhea-causing bacteria: enzymes they use to breach the gut’s protective mucus layer. By targeting this common vulnerability, scientists may be able to develop a single vaccine that prevents several major diarrheal infections before they even begin. Sun, 05 Jul 2026 22:16:38 EDT https://www.sciencedaily.com/releases/2026/06/260619101345.htm https://www.sciencedaily.com/releases/2026/06/260619020512.htm Eating five servings of fruits and vegetables may not be enough if you're missing foods rich in flavanols, a group of compounds linked to better heart health. Researchers found that choices like blackberries, plums, apples, broad beans, cherries, and green tea can dramatically increase flavanol intake. Fri, 19 Jun 2026 09:56:05 EDT https://www.sciencedaily.com/releases/2026/06/260619020512.htm https://www.sciencedaily.com/releases/2026/06/260618041504.htm The battle between butter and margarine comes down to chemistry. Butter’s naturally occurring fats create rich flavors, golden browning, and flaky baked goods, while margarine’s modified plant oils offer consistency and a longer shelf life. Although both contain mostly fat, their different structures influence how they behave in recipes. Understanding those differences can help you choose the right one for cooking, baking, or health goals. Fri, 26 Jun 2026 14:43:10 EDT https://www.sciencedaily.com/releases/2026/06/260618041504.htm https://www.sciencedaily.com/releases/2026/06/260617032204.htm A major study of more than 112,000 people found that eating foods containing common preservatives may be linked to a higher risk of high blood pressure and heart-related diseases. Researchers tracked participants for up to eight years and discovered that people consuming the highest amounts of certain preservatives had significantly greater risks of hypertension, heart attack, stroke, and other cardiovascular problems. Thu, 18 Jun 2026 01:21:12 EDT https://www.sciencedaily.com/releases/2026/06/260617032204.htm https://www.sciencedaily.com/releases/2026/06/260615025119.htm A large-scale study suggests that men with higher levels of the amino acid tyrosine may have shorter lifespans, potentially losing close to a year of life expectancy. The finding is especially intriguing because tyrosine is commonly associated with brain health and is often used in supplements aimed at boosting focus and performance. Mon, 15 Jun 2026 08:27:30 EDT https://www.sciencedaily.com/releases/2026/06/260615025119.htm https://www.sciencedaily.com/releases/2026/06/260614012011.htm Scientists are beginning to explore a hidden world of thousands of food chemicals that go far beyond the nutrients listed on nutrition labels. This “nutritional dark matter” may hold the key to understanding disease risk, healthy aging, and why different diets affect people in dramatically different ways. Wed, 17 Jun 2026 00:31:52 EDT https://www.sciencedaily.com/releases/2026/06/260614012011.htm https://www.sciencedaily.com/releases/2026/06/260614011855.htm A new whey protein manufacturing technique could make protein shakes taste better and feel smoother in the mouth. Researchers traced unwanted bitterness to concentrated minerals and found a way to remove them without sacrificing the improved texture. Sun, 14 Jun 2026 23:54:24 EDT https://www.sciencedaily.com/releases/2026/06/260614011855.htm https://www.sciencedaily.com/releases/2026/06/260614011852.htm For years, calcium and vitamin D supplements have been promoted as a simple way for older adults to protect their bones and prevent falls. But a massive review of nearly 154,000 people found that calcium, vitamin D, or a combination of both provided little to no meaningful protection against fractures or falls for most older adults. Mon, 15 Jun 2026 08:44:53 EDT https://www.sciencedaily.com/releases/2026/06/260614011852.htm https://www.sciencedaily.com/releases/2026/06/260614011843.htm A surprising new study suggests that completely eliminating sugar may backfire. Mice on a sucrose-free low-fat diet showed worse blood sugar control, increased inflammation, disrupted gut bacteria, and signs of fatty liver compared with mice that consumed some sucrose. Researchers say the results highlight the importance of a balanced diet and a healthy gut microbiome rather than focusing solely on cutting out sugar. Sun, 14 Jun 2026 02:37:07 EDT https://www.sciencedaily.com/releases/2026/06/260614011843.htm https://www.sciencedaily.com/releases/2026/06/260610003044.htm A major study suggests glucosamine, a popular supplement for joint pain, could be linked to faster progression from mild cognitive impairment to Alzheimer’s disease. Researchers found a 25% higher likelihood of developing dementia among glucosamine users and uncovered biological clues that may explain why. Wed, 10 Jun 2026 01:17:56 EDT https://www.sciencedaily.com/releases/2026/06/260610003044.htm https://www.sciencedaily.com/releases/2026/06/260608040002.htm A surprising gut-heart connection may help explain why sleep apnea increases the risk of cardiovascular disease. In mice, disabling a bile acid receptor called FXR sharply reduced plaque buildup, opening the door to potential new treatments based on gut microbes and their chemical signals. Tue, 09 Jun 2026 08:30:04 EDT https://www.sciencedaily.com/releases/2026/06/260608040002.htm https://www.sciencedaily.com/releases/2026/06/260606075852.htm A major long-term study of more than 54,000 adults found that where nitrate comes from may matter far more than how much you consume. People who got more nitrate from vegetables—roughly the amount in a cup of baby spinach a day—had a lower risk of developing dementia, while higher nitrate and nitrite intake from red meat, processed meat, and even drinking water was linked to a greater risk. Mon, 08 Jun 2026 01:07:34 EDT https://www.sciencedaily.com/releases/2026/06/260606075852.htm https://www.sciencedaily.com/releases/2026/06/260606015144.htm A traditional Chinese medicinal root used for over a thousand years is attracting new scientific attention for its potential to combat hair loss. Studies suggest Polygonum multiflorum can block harmful hormones, activate hair-growth signals, protect follicles, and boost blood flow to the scalp. Researchers say the herb’s effects align remarkably well with both ancient descriptions and modern hair biology. Sun, 07 Jun 2026 04:19:08 EDT https://www.sciencedaily.com/releases/2026/06/260606015144.htm https://www.sciencedaily.com/releases/2026/06/260605023408.htm Supplements are often marketed as shortcuts to better health, but for many older adults, the real issue is whether they have a specific deficiency. Vitamins like B12 and D can play an important role when levels are low, while protein may be one of the most overlooked nutrients for maintaining strength and independence. More isn’t always better, though—some supplements can cause harm or interact with medications. Sat, 06 Jun 2026 08:40:28 EDT https://www.sciencedaily.com/releases/2026/06/260605023408.htm https://www.sciencedaily.com/releases/2026/06/260604044304.htm A large study of older adults in Brazil found that adding extra salt at the table is still a common habit, especially among men. While too much salt is linked to serious health problems and faster cognitive decline, researchers discovered that women’s salt-shaking habits were tied more closely to lifestyle and diet. Thu, 04 Jun 2026 10:05:04 EDT https://www.sciencedaily.com/releases/2026/06/260604044304.htm https://www.sciencedaily.com/releases/2026/06/260603015218.htm French fries may be the real potato problem. A large study tracking more than 205,000 people for nearly 40 years found that eating three servings of fries per week was linked to a 20% higher risk of developing type 2 diabetes, while baked, boiled, or mashed potatoes showed no significant increase in risk. The research also found that swapping potatoes for whole grains lowered diabetes risk, while replacing them with white rice had the opposite effect. Wed, 03 Jun 2026 02:14:01 EDT https://www.sciencedaily.com/releases/2026/06/260603015218.htm https://www.sciencedaily.com/releases/2026/06/260601025349.htm A surprising new study suggests that when it comes to pancreatic cancer, the kind of fat you eat may matter more than how much. Researchers found that oleic acid—the main fat in olive oil and several other common foods—sped up tumor growth in mice predisposed to pancreatic cancer, while omega-3-rich fats from fish oil dramatically slowed disease development. Tue, 02 Jun 2026 01:55:31 EDT https://www.sciencedaily.com/releases/2026/06/260601025349.htm https://www.sciencedaily.com/releases/2026/05/260530053429.htm A Salk Institute study found that a simple dietary amino acid, methionine, dramatically improved survival in mice facing severe infections and inflammatory conditions. Rather than directly targeting the immune system, methionine boosted kidney filtration, helping the body flush out excess inflammatory molecules that can cause tissue damage, brain dysfunction, wasting, and death. Mon, 01 Jun 2026 09:44:52 EDT https://www.sciencedaily.com/releases/2026/05/260530053429.htm https://www.sciencedaily.com/releases/2026/05/260530004626.htm A new study suggests fish oil may help reduce insulin resistance even in people who aren't obese. In diabetic rats, omega-3 supplementation improved blood sugar levels, cholesterol, and inflammation by shifting immune cells into a more anti-inflammatory mode. Sun, 31 May 2026 01:15:13 EDT https://www.sciencedaily.com/releases/2026/05/260530004626.htm https://www.sciencedaily.com/releases/2026/05/260530004618.htm A new study suggests melatonin supplements may help night shift workers boost their body's DNA repair processes, potentially offsetting some of the damage linked to working overnight. The findings are early but raise the possibility of a simple strategy to help reduce long-term health risks associated with night shift work. Sat, 30 May 2026 05:11:34 EDT https://www.sciencedaily.com/releases/2026/05/260530004618.htm https://www.sciencedaily.com/releases/2026/05/260528082501.htm Feeling constantly drained might not just be about poor sleep or working too hard. Researchers in Japan found that low levels of key vitamins — especially vitamin B12 and folate — may quietly contribute to fatigue and lack of motivation, even in otherwise healthy people. Thu, 28 May 2026 23:23:48 EDT https://www.sciencedaily.com/releases/2026/05/260528082501.htm https://www.sciencedaily.com/releases/2026/05/260527023202.htm When the body runs low on protein, the gut sends powerful signals to the brain that reshape cravings and push animals to seek essential amino acids instead of sugar. Researchers say this newly discovered gut-brain network could transform our understanding of appetite, nutrition, and obesity. Thu, 28 May 2026 00:35:19 EDT https://www.sciencedaily.com/releases/2026/05/260527023202.htm https://www.sciencedaily.com/releases/2026/05/260527023200.htm Researchers found that drinking guava juice may significantly improve anemia by helping the body absorb iron more efficiently. In a review of 17 studies, women and teenage girls who consumed guava juice — especially with iron supplements — experienced noticeable increases in hemoglobin levels. Since guava contains far more vitamin C than oranges, scientists believe it could become a simple, affordable nutrition tool in regions where anemia is widespread. Wed, 27 May 2026 03:09:36 EDT https://www.sciencedaily.com/releases/2026/05/260527023200.htm https://www.sciencedaily.com/releases/2026/05/260526233433.htm Scientists in Japan have created powerful new vitamin K-based compounds that may help the brain regenerate lost neurons — a breakthrough that could one day change how diseases like Alzheimer’s and Parkinson’s are treated. By combining vitamin K with components related to vitamin A, the researchers developed compounds that were about three times more effective at turning neural stem cells into neurons than natural vitamin K alone. Wed, 27 May 2026 00:02:46 EDT https://www.sciencedaily.com/releases/2026/05/260526233433.htm https://www.sciencedaily.com/releases/2026/05/260526022009.htm Vitamin B12 has long been seen as a health hero, helping the body make red blood cells, repair DNA, and keep nerves functioning properly. But scientists are discovering that the story may be more complicated than simply “more is better.” While too little B12 can damage DNA and raise cancer risk, some studies suggest that extremely high levels — especially from long-term high-dose supplements — may also be linked to certain cancers or poorer outcomes in cancer patients. Wed, 27 May 2026 00:52:06 EDT https://www.sciencedaily.com/releases/2026/05/260526022009.htm https://www.sciencedaily.com/releases/2026/05/260524021154.htm Drinking nitrate-rich beetroot juice may do more than support heart health — it could actually reshape the bacteria living in the mouth in ways that help lower blood pressure in older adults. In the largest study of its kind, researchers found that older people who drank concentrated beetroot juice twice daily for two weeks experienced noticeable blood pressure reductions, while younger adults did not. Mon, 25 May 2026 01:01:09 EDT https://www.sciencedaily.com/releases/2026/05/260524021154.htm https://www.sciencedaily.com/releases/2026/05/260524020950.htm Researchers found that adding bananas to berry smoothies can dramatically reduce the body’s ability to absorb healthy flavanols. The surprising discovery shows that even simple food combinations can change how much nutrition your body actually gets. Sun, 24 May 2026 08:48:32 EDT https://www.sciencedaily.com/releases/2026/05/260524020950.htm https://www.sciencedaily.com/releases/2026/05/260524012959.htm A newly identified brain protein may play a major role in how the body ages. Researchers discovered that declining levels of Menin in the hypothalamus triggered inflammation, memory problems, bone loss, and other aging-related changes in mice. Restoring Menin reversed several of these effects, while a simple amino acid supplement called D-serine boosted cognition. The discovery opens a surprising new path for fighting age-related decline. Sun, 24 May 2026 01:40:19 EDT https://www.sciencedaily.com/releases/2026/05/260524012959.htm https://www.sciencedaily.com/releases/2026/05/260523103906.htm Eating more beans, lentils, chickpeas, tofu, and other soy foods could be a surprisingly powerful way to fight high blood pressure. A major analysis of studies from around the world found that people with the highest intake of legumes were 16% less likely to develop hypertension, while those eating the most soy foods had a 19% lower risk. Tue, 26 May 2026 00:09:23 EDT https://www.sciencedaily.com/releases/2026/05/260523103906.htm https://www.sciencedaily.com/releases/2026/05/260523021820.htm A surprising study suggests vitamin D2 supplements may reduce the body’s levels of vitamin D3 — the more effective form of vitamin D. Researchers found D3 not only boosts vitamin D status more efficiently, but may also play a unique role in helping the immune system fight off viruses and bacteria. The discovery is prompting scientists to rethink whether D3 should become the preferred choice for supplementation. Sat, 23 May 2026 10:38:26 EDT https://www.sciencedaily.com/releases/2026/05/260523021820.htm https://www.sciencedaily.com/releases/2026/05/260522031001.htm Getting enough vitamin B12 to meet current health guidelines may not actually be enough to protect the aging brain. Researchers at UC San Francisco found that older adults with “normal” but lower levels of active B12 showed signs of slower thinking, delayed visual processing, and more damage to the brain’s white matter — the communication highways that help different brain regions work together. Fri, 22 May 2026 08:33:40 EDT https://www.sciencedaily.com/releases/2026/05/260522031001.htm