Zinc
A source-linked guide to elemental zinc, supplement forms, label amounts, Daily Value, absorption evidence and safety context.
Patricia Weiser, PharmD
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Bextera Nutrition
Health
Vitamin D From Sun, Food or Supplements: What Each Source Can Actually Do
Sunlight, foods and supplements can all contribute to vitamin D status, but they are not interchangeable sources.
Monique Tello, MD, MPH
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Vitamin B12
A source-linked guide to cyanocobalamin, methylcobalamin and other B12 forms, label amounts, absorption and Daily Value.
Patricia Weiser, PharmD
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How to Read a Supplement Facts Label Without Getting Distracted by the Front
Serving size, active ingredient amounts, Daily Value and proprietary blends tell you more about a supplement than most front-label marketing.
Patricia Weiser, PharmD
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Electrolytes vs Water: When Do You Actually Need a Sports Drink?
Water is enough for many workouts. Longer, hotter or sweat-heavy sessions can change the equation. Here is what electrolyte drinks actually add.
Kelsey Kunik, RDN
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