THE FORMULARY

Supplements

The right supplement supports a specific need, so your energy, sleep, muscles, or mood have what they are missing. At a sensible dose, it backs up the food, sleep, and training you already do. Each card names the nutrient, the benefit it is used for, and a bottle we trust.

Promising

Ashwagandha

Root extract for stress. The better trials used about 600 mg a day.

Sleep · Cognition · Hormones

1305
Promising

Glycine

About 3 grams before bed. Sleep trials found a slightly easier next day.

Sleep

5700
Promising

L-theanine

The calm in tea. About 200 mg takes the edge off caffeine.

Sleep · Cognition

15426
Proved effective

Magnesium glycinate

The gentler form. For a diet that comes up short on magnesium.

Sleep · Muscle

51698
Promising

Melatonin

The dark signal, in a pill. Useful doses are often well under 5 mg.

Sleep

1873
Proved effective

Vitamin D3

The lab is 25-OH-D. A northern winter and indoor work are where it drops.

Sleep · Hormones · Immune · Longevity

55141
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