Supplement School

Experts advise vegetarians to take vitamin B12, vitamin D, omega-3s, zinc, iron, calcium, and iodine supplements. Plant-based foods do not sufficiently provide these nutrients, so vegetarians need supplements to avoid nutrient deficiencies.

Vegans don't use animal products. This makes them more susceptible to developing nutritional deficiencies. That's because many plant foods don't contain some of the essential nutrients needed for the growth and maintenance of our bodies.

Can vitamins really reverse gray hair? While nutrient deficiencies and stress may influence when hair turns gray, scientific evidence shows that supplements alone are unlikely to restore natural hair color. Here’s what research actually says about gray hair and aging.

During pregnancy, your body goes through many changes, and your nutritional needs for both macronutrient and micronutrients increases significantly to support the healthy growth and development of your child.

Can vitamin D cause diarrhea? While uncommon, digestive symptoms may occur when vitamin D levels are too high or too low. Learn how vitamin D affects gut health, bowel movements, and what to consider when supplementing.

Can vitamin D cause constipation? While vitamin D is essential for bone and immune health, excessive supplementation may disrupt calcium balance and contribute to digestive discomfort. Here’s what research and clinical observations suggest.