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Viagra ingredient found in supplement sparks nationwide recall

A dietary supplement marketed for men’s health is being pulled from the market nationwide after federal testing uncovered an ingredient used in the drug Viagra not listed on the label. Primal ...

Prebiotic Eases Arthritis Pain, Trial Finds

A prebiotic fiber supplement helped ease pain in people with knee arthritis, researchers recently reported in the journal Nutrients. The results suggest that improving gut health could be a new way to ...

Should You Take Zinc Supplements? Risks, Side Effects Explained

Zinc supplements are widely used to boost immunity and treat deficiencies, but taking too much can cause nausea, nutrient ...

Three Amino Acids Improve Lipid Nanoparticle Therapy Delivery to Cells

Increasing the efficiency of LNPs as therapeutic vehicles offers promise for better mRNA-based and gene editing treatment ...

Best creatine for clean, consistent muscle growth in 2026

We tried the best creatine supplements for clean, consistent muscle growth in 2026 - The product is loved by bodybuilders, ...

The best creatine powders for muscle and mind — personal trainers and dietitians weigh in

Searching for the best creatine for muscle and mind? We asked experts about what to look for in a creatine supplement, plus tips for dosage, use and more. See our top picks below.

3 Supplements You Should Consider If You’re Trying to Gain Muscle, According to Sports Dietitians

Trying to lift heavier at the gym, improve athletic performance or simply carry day-to-day items with ease? Gaining muscle ...

Creatine While Dieting: What Most People Get Wrong

Creatine is one of, if not the most, researched dietary supplement on the market. It’s undeniable that it works to increase ...

Man shares before and after of not taking creatine for three months

A man has shared a before and after photo of his body while taking creatine for three months. Many people take creatine as a ...

What happens to your body when you take vitamin C and vitamin D together

Medically reviewed by Alex Yampolsky, PharmD Taking vitamin C and D together is generally safe if you stay within the recommended doses. Vitamin C and D supplements may support your immune health and ...

The surprising supplement that sent a man to the hospital with vomiting, diarrhea and tinnitus

Per a study in the journal BMJ Case Reports, the unidentified supplement taker was admitted to the hospital with complaints of vomiting, nausea, abdominal pain and other issues.

Can High-Dose Vitamin D Prevent Long-COVID Cognitive Decline?

High-dose Vitamin D doesn't reduce acute COVID severity but shows a promising signal for reducing Long COVID and brain fog.

High-dose vitamin D3 does not reduce COVID-19 severity, but may impact long COVID outcomes

In a large, randomized trial, researchers at Mass General Brigham have found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes.

5 Supplements You Should Never Take Together

Taking certain supplement combinations, such as calcium with iron, calcium with zinc, or zinc with copper, can result in reduced absorption and other issues.

Common vitamin could bring relief from long COVID symptoms, study suggests

New study reveals vitamin D supplements may reduce long COVID risk by 4%. Promising results for symptoms like fatigue and ...

Vitamin D supplements don’t cut COVID health care use, symptom severity, trial shows

Per-protocol analyses, however, suggested a nonsignificant trend toward a lower prevalence of long COVID at two months (OR, 0 ...

Vitamin D May Help Lower the Risk of Long COVID, Early Research Suggests

Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

Trial finds vitamin D supplements don't reduce COVID severity but could reduce long COVID risk

In a large, randomized trial, researchers at Mass General Brigham found that high-dose vitamin D3 did not reduce COVID-19 ...

Nutritionist's 6 foods that can cut bone-break risk for people with osteoporosis

Figures show more than three million people have a condition which means your bones are more fragile and at risk of breaking.

Creatine While Dieting: What Most People Get Wrong

Creatine is one of, if not the most, researched dietary supplement on the market. It’s undeniable that it works to increase power output, build muscle, and new research even indicates it has a ...