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
Proved effective

Creatine monohydrate

Extra fuel for short, hard efforts. The longest paper trail in the gym.

Muscle · Cognition

60332
Proved effective

Iron

For stores that test low. The number that matters is ferritin.

Cognition · Hormones

8952
Promising

L-theanine

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

Sleep · Cognition

15426
Promising

Lion’s mane

A mushroom. The small cognition trials are mostly in older adults.

Cognition

23700
Proved effective

Omega-3

EPA and DHA, the forms in the heart and triglyceride trials.

Cognition · Immune · Heart

60483
Proved effective

Vitamin B12

Runs out slowly. Vegans, metformin, acid-reducing drugs, and age are the usual path.

Cognition · Immune · Longevity

5348
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