Not medical advice

Supplement Hype reports the state of evidence and grades claims. It is not a substitute for a doctor or pharmacist and does not diagnose, treat, or cure anything. Read the full disclaimer →

Head to head

Greens powder (AG1 etc.) vs Vitamin D3

On the strength of human evidence, Vitamin D3 comes out ahead (evidence 55 vs 35). But they're often used for different things — read each claim before deciding.

Shared goals: General

Greens powder (AG1 etc.)

▲ Trending

an expensive multivitamin with influencers

Marketed
Evidence
Severely overhyped

Marketing intensity 88 of 100. Evidence strength 35 of 100. Verdict: Severely overhyped.

A pricey powdered multivitamin with great marketing. The handful of trials are mostly run by the makers, and none show it does what the podcast ads imply.

Full evidence on Greens powder (AG1 etc.) →

Vitamin D3

Moderate

essential if low, oversold if not

Marketed
Evidence
Overhyped

Marketing intensity 80 of 100. Evidence strength 55 of 100. Verdict: Overhyped.

Real and important if you're deficient. Marketed as a cure-all for people who already have enough.

Full evidence on Vitamin D3 →

Side by side

Metric Greens powder (AG1 etc.) Vitamin D3
Overall tier Weak Moderate
Evidence score 35/100 55/100
Hype score 88/100 80/100
Verdict Severely overhyped Overhyped
Safety concern low low

Quick answers

Greens powder (AG1 etc.) or Vitamin D3 — which has better evidence?

On the strength of human evidence, Vitamin D3 comes out ahead (evidence 55 vs 35). But they're often used for different things — read each claim before deciding.

Can you take Greens powder (AG1 etc.) and Vitamin D3 together?

This page compares the evidence, not interactions. Some supplements interact with each other or with medications — check each one's safety section and talk to a pharmacist before stacking.