Evidence-based·Last reviewed May 30, 2026·How we grade evidence

Apigenin

PhytochemicalBest before bedBest taken with food

Useful mainly for adults seeking mild anxiolytic or sleep-onset support, typically via chamomile-standardized products.

Quick decision guide

May help most

Adults seeking mild anxiolytic or sleep-onset support, typically via chamomile-standardized products

Common dosing range

25–100 mg/day as isolated apigenin; 5–20 mg apigenin equivalent via chamomile capsules

When to expect effects

Hours for acute calming; weeks for sustained anxiety reduction

Watch out for

May potentiate sedatives (benzodiazepines, alcohol) — avoid combining without awareness

What is it

Apigenin is a flavone found in chamomile, parsley, celery, and many other plants. It is studied for anxiolytic, anti-inflammatory, and putative anti-aging effects.

Is it worth it for you?

Use this as a quick fit check, not a diagnosis.

Worth considering if…

You want a mild, low-risk calming aid for occasional anxiety or sleep onset difficulty
You prefer plant-derived approaches and tolerate Asteraceae family plants
You use chamomile as a supplement and want the apigenin-standardized form

Probably skip if…

You are pregnant — concentrated apigenin extracts should be avoided (uterotonic effects in animal models)
You are on benzodiazepines or other sedatives — additive CNS depression risk
You have Asteraceae family allergy (ragweed, chrysanthemum, daisy)
You are buying apigenin specifically for NAD+/anti-aging — no human evidence supports this use

Evidence at a glance

anxiety and sleep quality

Limited Evidence
Effect
Modest reduction in anxiety scores vs. placebo in RCTs of chamomile extract
Best fit
Adults with mild to moderate generalized anxiety disorder or difficulty initiating sleep
Time
Weeks

NAD+ support and longevity

Mixed Evidence
Effect
Not established in humans
Best fit
No defined population with demonstrated human benefit
Time
Unknown — no human endpoint data

Evidence for 2 uses

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

anxiety and sleep quality

Supplement benefit
Limited Evidence

Apigenin binds benzodiazepine sites on GABA-A receptors as a weak partial agonist, producing mild anxiolytic and sedative effects. RCTs of chamomile extract (standardized to apigenin) vs. placebo in generalized anxiety disorder show statistically significant reductions in anxiety scores. A long-term RCT also found chamomile reduced relapse of GAD after remission. Most evidence uses chamomile extract rather than isolated high-dose apigenin, so dose-response for purified apigenin is less well-characterized.

Effect size
Modest reduction in anxiety scores vs. placebo in RCTs of chamomile extract
Time to effect
Weeks
Best fit
Adults with mild to moderate generalized anxiety disorder or difficulty initiating sleep
Less likely
People with severe anxiety disorders requiring pharmacotherapy

Bottom line: Modest but real anxiolytic effect with chamomile extract — a reasonable low-risk option for mild anxiety and sleep onset.

SourceHieu et al., 2019 — PubMedEbrahimi et al., 2022 — PubMed

NAD+ support and longevity

Mechanism only
Mixed Evidence

Apigenin inhibits CD38, a glycohydrolase that consumes NAD+. In cell culture and mouse models, CD38 inhibition raises tissue NAD+ levels, which has generated interest in apigenin for metabolic aging and longevity. No published human RCT has demonstrated that oral apigenin supplementation raises circulating NAD+ or produces any longevity-related clinical outcome. Oral bioavailability of apigenin is low, and extrapolation from animal models to humans is speculative.

Effect size
Not established in humans
Time to effect
Unknown — no human endpoint data
Best fit
No defined population with demonstrated human benefit

Bottom line: Mechanistically interesting but no human evidence exists — this is a hypothesis, not an established benefit.

SourceKramer et al., 2024 — PMCLi et al., 2021 — PubMed

How it works

Apigenin binds benzodiazepine binding sites on GABA-A receptors as a weak partial agonist, which underlies the calming effect of chamomile tea. It also inhibits CD38 (a nicotinamide adenine dinucleotide consumer), which has spurred interest in apigenin for NAD+ support and metabolic aging. Oral bioavailability is low, but high intake or concentrated extracts can produce measurable circulating levels.

How to take it

1. Typical dose
25–100 mg/day isolated apigenin; or chamomile extract at labeled dose
2. Timing
Evening if using for sleep or anxiety — GABA-A partial agonism produces mild sedation
3. With food
With food
4. How long to try
For anxiety: trial 4–6 weeks; for sleep onset: assess after 2 weeks

What to track

Subjective anxiety level (rated daily)
Sleep onset latency
Any allergic reactions (skin, GI)
Sedation during daytime if dose is too high

2 commercial forms

Compare the main delivery options and what they’re best suited for.

Chamomile extract

Most-studied form for anxiety and sleep.

Standardized to 1-2% apigenin.

Pure apigenin

Used in supplements marketed for longevity.

Low oral absorption.

Safety

Know the common side effects, key cautions, and who should avoid it.

Common side effects

Mild sedationGI upset at higher doses

Serious risks

  • Allergic reactions in people with Asteraceae (ragweed, chrysanthemum) allergy

Who should avoid it

  • Pregnant women — concentrated extracts have shown uterotonic effects in animal models
  • People with Asteraceae allergy
  • People on benzodiazepines or sedative-hypnotics without clinician guidance

Pregnancy & breastfeeding

Avoid concentrated apigenin extracts during pregnancy; food-level intake from chamomile tea is generally considered low risk but clinical guidance is sparse.

Interactions

benzodiazepines and sedative-hypnoticsModerate

Additive GABA-A agonism may potentiate sedation and CNS depression

alcoholMinor

Additive sedation possible; avoid combining at higher apigenin doses

CYP1A2, CYP2C9, CYP3A4 substratesMinor

High-dose apigenin may inhibit these enzymes in vitro; clinical significance at supplement doses unclear

Protocols featuring Apigenin

Evidence-backed routines where Apigenin plays a role.

Better Sleep

sleep

Magnesium, glycine, L-theanine, and apigenin work through complementary mechanisms (GABA modulation, NMDA antagonism, core body temperature regulation) to support faster sleep onset and deeper sleep. Evidence ranges from moderate (magnesium, glycine) to emerging (apigenin). This is a foundational sleep stack — not a substitute for sleep hygiene basics.

Deep Sleep & Recovery

sleep

Slow-wave (deep) sleep is when growth hormone peaks, memory consolidates, and tissue recovery accelerates. Some people sleep 8 hours but get insufficient deep sleep — often visible in poor next-day recovery, brain fog, and slow gains from training. This stack targets deep sleep architecture specifically: apigenin and magnesium L-threonate (crosses blood-brain barrier better than other forms), glycine for slow-wave enhancement, L-theanine for alpha-wave priming, and zinc for testosterone-mediated sleep architecture support.

Food sources

Parsley (1 tbsp dried)

Amount
very high apigenin
%DV
—

Celery (1 cup chopped)

Amount
moderate apigenin
%DV
—

Chamomile tea (1 cup)

Amount
small but bioactive amount
%DV
—

Choosing a product

What to look for on the label — and what to be skeptical of.

Look for…

Chamomile extract standardized to apigenin content (mg per dose)
Isolated apigenin products should state bioavailability-enhancing form if used
Third-party tested for identity and absence of contaminants

Be skeptical of…

'Proven to raise NAD+'
'Anti-aging molecule'
'As effective as benzodiazepines'
'Reverses cellular aging'

Frequently asked questions

Will apigenin help me sleep?⌄

Chamomile (containing apigenin) modestly improves sleep quality in some trials. Effects are subtle.

Can apigenin extend life?⌄

Not demonstrated in humans. Cell and animal data are interesting but speculative.

References by claim

anxiety and sleep quality

Hieu et al., 2019 — PubMed (2019) link

Ebrahimi et al., 2022 — PubMed (2022) link

NAD+ support and longevity

Kramer et al., 2024 — PMC (2024) link

Li et al., 2021 — PubMed (2021) link

Track Apigenin with Pilora

Set up dose reminders, check interactions, and join the community in the Pilora iPhone app.

Coming to App Store
Evidence-based·Last reviewed May 30, 2026·Evidence current as of May 30, 2026·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.