Last updated: March 2026
Most supplements don’t work.
Some do—but only in specific situations.
This is a breakdown of what actually matters.
Sleep
Best Supplements for Sleep
Best Magnesium for Sleep
Magnesium Not Working
How Much Magnesium for Sleep
Blood Sugar
Best Supplements for Blood Sugar
Does Berberine Actually Work
Berberine vs Metformin
Berberine vs Apple Cider Vinegar
Liver
Best Supplements for Liver Health
TUDCA + Choline
Choline vs TUDCA
TUDCA vs Milk Thistle
Skin
Retinol vs Tazarotene
Does Retinol Actually Work
Peptides vs Retinoids
Cholesterol
Best Supplements for Cholesterol
Fish Oil vs Red Yeast Rice
Does Fish Oil Actually Work
What to understand
There is no single supplement that fixes everything.
Each one addresses a specific mechanism.
Where to start
If you don’t know where to begin: