Ingredient guide · hormone

Apigenin

Flavonoid for sleep quality & estrogen modulation

The clinically studied dose

50mg per day Experimental

Source: Examine.com — Apigenin — No established human dose — the ~50 mg figure is extrapolated, not from a dosing trial.

What it is

A flavonoid found in chamomile and parsley, popular in sleep stacks.

What the research supports

How it works

May bind GABA receptors and reduce inflammation.

Side effects & safety

Little human safety or dosing data exists. Considered safe in food amounts; the supplement claims run far ahead of the evidence.

What it should cost

Per serving
Typical branded single-ingredient product$0.58
Bulk powder at the clinical dose (5g 98%, $12.96)$0.06

Buying bulk powder instead of a branded bottle saves about 89% per serving.

Bulk price: $12.96/5g → Alt source: $14.99/5g

Graded products that contain it

Related ingredients

Educational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.