Zinc is a natural mineral found in food. It has recently gained popularity as an immune supplement for COVID-19 but has also been explored as a preventative or therapeutic option for acne and colds. Zinc is generally safe and can typically be taken while pregnant or breastfeeding, but it can be toxic in high amounts. In addition, zinc can interact with some medications.
Find out more
Vitamin D is important for healthy bone function and may have effects on other disease processes. Vitamin D deficiency is common, especially in people who do not have regular exposure to sunlight or who have chronic medical conditions. Use of vitamin D supplements can help improve vitamin D levels in deficient individuals.
Find out more
Vitamin D, along with calcium, is essential for developing and maintaining strong bones and muscles. Some researchers have associated low vitamin D levels with chronic illnesses, but research findings about the health consequences of low vitamin D are not consistent. Taking higher doses of vitamin D should be done only with the recommendation and supervision of a health professional.
Find out more
Multivitamins are easy to obtain and are a great source of vitamins and nutrients. Some people may need multivitamins because they do not have enough nutrients in their daily diet. However, people with certain medical conditions may want to avoid multivitamins or limit their use.
Find out more
Lutein, a nutrient found mainly in leafy green vegetables, is thought to protect against light-induced retina damage. While some studies show positive results from lutein use, more research is needed to determine its definitive benefits and safety.
Find out more
Iron is essential to our health. It is found naturally in many foods, added to some fortified food products, and widely available as a supplement. An overdose of iron supplements can be life-threatening.
Find out more
A Myers' cocktail contains vitamins and electrolytes and is used to treat various medical conditions. Although the ingredients are natural and seemingly safe, this treatment is associated with adverse effects and there is limited evidence supporting the benefits of its use.
Find out more