This page describes pharmacological agents that may have legal restrictions, side effects, and drug interactions in your jurisdiction. Information is for educational research only — consult a clinician before considering any compound.
Apigenin
Cheap, low-risk flavonoid with a real mechanism story (CD38 inhibition → NAD+ preservation, GABA-A → mild calming, senomorphic).
Aliases (6)
Overview
What is Apigenin?
Apigenin is a flavonoid found in chamomile, parsley, and celery. It is sold as a dietary supplement and popularized by Andrew Huberman as a sleep aid and mild estrogen modulator. Studied for anti-inflammatory, anxiolytic, and anticancer activity.
Key Benefits
Sleep-promoting and mild anxiolytic, supports a downshift before bed, mild estrogen-lowering effect (aromatase inhibition), anti-inflammatory action, and potential benefit on testosterone (via reduced estrogen feedback).
Mechanism of Action
GABA-A receptor partial agonist (benzodiazepine site), inhibits aromatase (CYP19) and CYP enzymes, scavenges ROS, and modulates NF-kB inflammatory signaling. Crosses BBB at sleep-relevant doses.
▸Brand options3 known
StatusOTC dietary supplement (US, EU); not scheduled
Peptide Interactions
The complementary thesis — apigenin slows NAD+ destruction (CD38 inhibition) while NMN/NR raise NAD+ supply. Sinclair-lab framework explicitly endorses this …
Both are GABA-A positive modulators with weak affinity → mild additive calm without sedation. Both anti-excitotoxic, theoretically helpful for impact recover…
Pre-bed sleep stack. Tryptophan → serotonin → melatonin while apigenin contributes mild GABA-A tone. Logical the canonical stack: apigenin + tryptophan + mag…
Both lipid-soluble antioxidants; complementary anti-inflammatory pathways (apigenin = NLRP3, astaxanthin = mitochondrial ROS scavenging).
FOXO4-DRI is a classical senolytic; apigenin is senomorphic. Conceptually you'd run senolytic in pulses + senomorphic chronically. No human data on combining…
Both anti-inflammatory, both flavonoid-class, no interaction concern, reinforcing.
GABA modulation + glutamate modulation pair well for evening calm.
(anastrozole, letrozole, exemestane) — additive estradiol suppression. Not relevant for users in this archetype but flag for anyone on AI therapy.
(chrysin high-dose, some grape-skin extracts) — same additive concern.
(see Drug interactions). Not a stacking issue per se but worth flagging.
Apigenin's biphasic ER activity could interfere; oncology patients on these drugs should consult oncologist.
Quality Indicators
Tested third-party COA
Reputable brands publish a Certificate of Analysis for identity, potency, and contaminant testing.
GMP-certified manufacturing
Look for cGMP / NSF / USP certifications on the label.
Proprietary blends
Avoid products that hide individual ingredient amounts inside a "proprietary blend."
No origin or sourcing info
Unbranded or no-COA capsules from anonymous sellers carry quality and adulteration risk.
What to Expect
- Week 1Baseline tolerability. Most chronic-use supplements have no acute signal.
- Week 2-4Subtle baseline shift — sleep quality, mood, recovery markers.
- Week 4-8Reach steady state. Re-assess subjective + objective markers.
- Month 3+Long-term maintenance dose if benefit confirmed; otherwise stop.
Side Effects & Safety
- Common (>10% users): Nothing significant at typical doses. Apigenin has an exceptionally clean human safety record across chamomile-extract trials.
- Less common (1-10%): Mild GI upset (especially with high-dose powders on empty stomach), mild drowsiness if dosed daytime, vivid dreams.
- Rare-serious (<1%): Allergic reaction (cross-reactivity with ragweed/Asteraceae family — chamomile-allergic individuals should avoid). Theoretical bleeding risk (mild antiplatelet activity in vitro) — monitor if on warfarin.
- Rodent toxicology: PLOS One reported acute hepatotoxicity in Swiss mice at very high single doses; subacute study found protein-synthesis changes. Normal-range supplemental doses (50-200 mg) far below any toxicity signal in animal data; ALT/AST unchanged at 25-50 mg/kg in rats.
- Hormonal (matters for users in this archetype): Aromatase inhibition is the main concern for a 20yo male athlete. Modest reduction in estradiol is not the goal — estradiol below ~20 pg/mL hurts joints, lipids, libido, and bone in men. At 50-100 mg/day the aromatase effect is theoretical/minor, but a user in this archetype should monitor estradiol on his June 2026 panel and again if dosing 200+ mg chronically. Stacked with another aromatase inhibitor (e.g., chrysin, anastrozole, even high-dose resveratrol) the additive risk goes up.
- Specific watch periods: Recheck estradiol after 12 weeks of any dose ≥100 mg/day. Track libido, morning erection frequency, joint comfort as cheap proxies.
References
Escande et al., 2013 — Flavonoid Apigenin Is an Inhibitor of the NAD+ase CD38 (Sinclair lab co-author)
foundational CD38 inhibition paper, the basis of the longevity thesis
View StudyApigenin: a natural molecule at the intersection of sleep and aging (Frontiers Nutrition, 2024)
comprehensive 2024 review of sleep + aging mechanisms
View StudyZhang et al., 2025 — Targeting Senescence with Apigenin Improves Chemotherapeutic Efficacy and Ameliorates Age-Related Conditions in Mice (Advanced Science)
landmark 2025 senomorphic mechanism paper
View StudyRepurposing the plant-derived compound apigenin for senomorphic effect (bioRxiv, 2024)
2024 senomorphic preprint
View StudyApigenin inhibits NLRP3 inflammasome activation (Frontiers Immunology, 2024)
anti-inflammatory mechanism update
View StudySalmani et al. — Apigenin: a component of Matricaria recutita is a central benzodiazepine receptor ligand with anxiolytic effects
original GABA-A binding paper
View StudyTelang et al., 2016 — Apigenin-phospholipid phytosome (APLC) for improved bioavailability
phytosome PK improvement
View StudySelf-nanoemulsifying drug delivery systems for apigenin (Scientific Reports, 2024)
3-4× bioavailability improvement
View StudyRecent advancement in delivery systems of apigenin (PMC, 2023)
bioavailability formulation review
View StudyApigenin unveiled: encyclopedic preclinical and clinical review (Discover Plants, 2024)
2024 comprehensive clinical/preclinical review
View StudyBeneficial Role of Apigenin against Cognitive Dysfunction: Systematic Review (PMC, 2024)
34-study systematic review; explicitly notes no human cognitive trials exist
View StudyCharacterization of CYP3A4 Inhibition Potential of Selected Flavonoids (PMC)
CYP3A4 inhibition data
View StudyPharmacokinetic properties and drug interactions of apigenin (Expert Opinion Drug Metab Toxicol)
comprehensive drug-interaction profile
View StudyCD38 inhibition by apigenin ameliorates mitochondrial oxidative stress in diabetic rats (PMC)
animal NAD+/Sirt3 evidence
View StudyAlzDiscovery Cognitive Vitality — Apigenin researcher report
Alzheimer's-focused evidence review
View StudyHuberman 50 mg pre-bed sleep stack (FastLifeHacks summary)
high-profile anecdotal protocol; men only
View StudyNootropics Depot Apigenin Capsules
encyclopedia top-pick vendor for OTC apigenin
View StudyDouble Wood Apigenin product page
cheapest reputable standard-form option
View StudyApigenin improves testosterone synthesis by regulating ER stress (2024)
2024 paper showing pro-testosterone effect via ER-stress pathway in animals (counterweight to aromatase concern)
View StudyApigenin: Benefits and Side Effects (Lifespan Research Institute)
safety review
View StudyHow was your experience with this compound?
Anonymous · one vote per session · results below at 5+ votes.
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