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
Nutrition
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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Protein Bars: 7 Numbers to Check Before Calling One 'High Protein'
Protein grams are only one line on the label. Calories, serving size, fiber, added sugar, saturated fat, sodium and price change the comparison.
Danielle Omar, MS, RDN
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Magnesium From Food vs Supplements: Why the Label Changes the Math
Magnesium from spinach, legumes, nuts and whole grains is not evaluated the same way as elemental magnesium on a supplement label.
Danielle Omar, MS, RDN
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How Much Protein Do You Actually Need?
Protein needs depend on body size, training, diet and goals. Here is how to interpret the numbers without treating one intake target as universal.
Kelsey Kunik, RDN
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Fish Oil Labels: Why 1,000 mg of Fish Oil Is Not 1,000 mg of EPA + DHA
Fish-oil weight, total omega-3 content, EPA and DHA are separate label numbers. Here is how to compare them correctly.
Patricia Weiser, PharmD
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Magnesium Glycinate vs Citrate: Which Form Has Better Evidence?
An evidence-led comparison of magnesium glycinate and magnesium citrate covering elemental magnesium, absorption evidence, clinical research, tolerability claims and the limits of direct comparisons.
Patricia Weiser, PharmD
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Creatine HCl vs Monohydrate: Does Better Solubility Mean Better Results?
A direct evidence comparison of creatine hydrochloride and creatine monohydrate, covering solubility, human research, training outcomes and the limits of current evidence.
Cori Ritchey, CSCS
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