Vitamin D Supplements: How Much You Need and How to Choose
How much vitamin D you need by age, D3 vs D2, when a supplement makes sense, the upper limit, interactions, and how to pick a tested product.
supplements
How to Choose a Protein Powder: Types, Testing and Cost
How to choose a protein powder: whey vs plant, what third-party seals mean, heavy metal concerns, and how to compare the real cost per gram.
Creatine Monohydrate: Benefits, Dose and Safety
Creatine monohydrate is one of the best-studied supplements. Benefits for strength and the brain, how much to take, loading, side effects and myths.
Types of Magnesium Supplements: Which Form Should You Take?
Magnesium glycinate, citrate, oxide and more compared: elemental dose, absorption, side effects, upper limits, and which form suits sleep or constipation.
How to Read a Supplement Label (and Spot Red Flags)
How to read a Supplement Facts label: serving size, % Daily Value, elemental doses, proprietary blends, third-party seals, and claims to avoid.