“Taking more than the recommended amount of fat-soluble vitamins like vitamins A, D, E, and K can cause them to build up in ...

Health experts warn that excess vitamin D can cause overlooked symptoms. NHS guidance highlights when supplements may do more harm than good.

Vitamin D users warned to stop supplements if these symptoms appear - Higher strength supplements can result in a number of ...

Vitamin D3 plus calcium offers no overall bone or muscle benefit in adolescents with perinatal HIV infection but appears to increase lumbar spine bone density in those with vitamin D insufficiency.

Medical experts have issued an urgent warning over 'dangerous' vitamin combinations you should never take and how it can harm ...

Research reveals most Americans don't know the risks: here, experts list some vitamins, supplements, and medications not to take together. The post 12 Supplement and Medication Combos You Should Never ...

Calcium and phytates that are often in protein powder can block iron absorption, according to Theresa Gentile, MS, RDN, CDN, a Brooklyn-based registered dietitian and national media spokesperson for ...

“Practical advice would be: If you’re taking iron, do it at least one to two hours away from coffee. Vitamin C can help ...

While they may be beneficial on their own, taking these supplements together could hinder absorption or be outright unsafe.

Fiber may also impair the effectiveness of other drugs, including digoxin (which treats certain heart conditions) and ...

Milk can interfere with the absorption of some vitamins, minerals, and medications, which may make the supplements or medications less effective.