Supplement Library

16 supplements, each summarized from the research — what they do, what to watch for, and how they connect.

Evidence

16 supplements

Calcium

The primary structural mineral of bones and teeth.

MineralsModerate

4 connectionsBone health

Magnesium

A master mineral involved in 300+ enzyme reactions.

MineralsStrong

4 connectionsSleep · Stress

Vitamin D3

The sunshine vitamin behind bone, immune, and mood health.

VitaminsStrong

4 connectionsBone health · Immunity

L-Theanine

Calm, focused alertness from green tea.

Amino AcidsModerate

3 connectionsFocus · Relaxation

Omega-3 (Fish Oil)

Anti-inflammatory fats for heart, brain, and joints.

Fatty AcidsStrong

3 connectionsHeart health · Brain health

Zinc

An immune and hormone workhorse trace mineral.

MineralsModerate

3 connectionsImmunity · Skin health

Ashwagandha

An adaptogenic herb for stress and resilience.

AdaptogensModerate

2 connectionsStress · Sleep

Caffeine

The world's most popular cognitive stimulant.

NootropicsStrong

2 connectionsEnergy · Focus

Curcumin

Turmeric's anti-inflammatory active compound.

HerbalsModerate

2 connectionsInflammation · Joint health

Iron

Oxygen-carrying mineral critical for energy.

MineralsStrong

2 connectionsEnergy · Blood health

Probiotics

Beneficial bacteria for gut and immune balance.

ProbioticsModerate

2 connectionsGut health · Immunity

Vitamin C

Antioxidant vitamin and iron-absorption amplifier.

VitaminsModerate

2 connectionsImmunity · Skin health

Vitamin K2

The traffic controller that routes calcium to your bones.

VitaminsModerate

2 connectionsBone health · Cardiovascular health

Copper

The trace mineral that balances zinc.

MineralsModerate

1 connectionMineral balance · Antioxidant

Creatine

The most-studied performance and cognition supplement.

Amino AcidsStrong

1 connectionStrength · Power

Piperine

The black-pepper compound that boosts absorption.

HerbalsModerate

1 connectionAbsorption · Bioavailability