Vitamins & minerals
Vitamin D
Dose honesty, D3 vs. D2, and whether the serving quietly exceeds a safe daily habit.
Ranking in development
Best of
Supplement rankings, when we can defend them
This is a reserved section, not an empty blog category. Brands can buy a review. A weaker score cannot buy a higher rank. Rephora Labs products, from the same company that publishes this site, may appear here and will be labeled.
Coming soon
No products are ranked yet. Scoring rules live on Methodology.
Heart health
Omega-3 / fish oil
EPA+DHA per serving, oxidation risk, and trial-like doses versus flavored candy.
Ranking in development
Vitamins & minerals
Magnesium
Form (glycinate, citrate, oxide), elemental dose, and gastrointestinal tolerance claims.
Ranking in development
Protein
Protein powder
Protein per scoop, amino acid completeness, added sugar, and contaminant documentation.
Ranking in development
Protein
Creatine
Monohydrate vs. novelty forms, gram accuracy, and whether extras add anything but price.
Ranking in development
Vitamins & minerals
Multivitamins
Who, if anyone, benefits; upper-limit stacking; and iron-containing formulas.
Ranking in development
Why wait?
A ranking without testing notes is a listicle. Nutritionist Guide will not publish a “best vitamin D” until we can say what we checked, what we did not check, and how a brand could lose the top slot next year. Read the guides in the meantime. They are the same standard, applied to food and physiology instead of bottles.
Read current guides