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St. John’s wort is a herbal supplement commonly used for low mood and mild depressive symptoms. Because it is available without a prescription in many places,…

Selenium is a trace mineral that helps the body manage oxidative stress, produce thyroid hormones, and regulate immune activity. Although the body needs only a…

Vitamin E is a group of fat-soluble compounds that help protect cell membranes from oxidative damage. It is found naturally in foods such as almonds, sunflower…

Vitamin K is a fat-soluble nutrient involved in blood clotting and bone metabolism. It helps activate proteins that bind calcium within bone tissue, including…

Vitamin A is an essential nutrient for the eyes, immune system, skin, and normal growth. Its role in vision is especially important in low-light conditions,…

L-carnitine is a compound made from the amino acids lysine and methionine. It helps transport long-chain fatty acids into mitochondria, where cells can use…

Folic acid is essential before conception and during early pregnancy, but it is only one part of prenatal nutrition. A well-chosen supplement can help fill…

Copper is a trace mineral with an important role in how the body uses iron. Although iron receives most of the attention for anemia and oxygen transport,…

A new vitamin, mineral, herbal product, or protein supplement may support a nutritional goal, but adding it too quickly can cause nausea, bloating, cramping,…

Joint pain and stiffness can arise from many causes, including osteoarthritis, rheumatoid arthritis, injuries, and everyday strain. Diet cannot replace…