Non-peptide

Apigenin

Also known as

4',5,7-trihydroxyflavone · CD38 discussion flavonoid · Apigenin flavonoid · Chamomile flavonoid (dietary context) · 5,7-Dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one · Huberman sleep-stack apigenin (community shorthand) · Apigenine (common misspelling/EU labeling) · C15H10O5 flavone

Community talk. May contain inaccuracies. Not medical advice. Not a protocol. Not for human or animal use.

What it is

Plant flavone	A plant compound sold as oral capsules or powder. Pure apigenin, chamomile extract and tea have different ingredients and are not interchangeable by milligram.
Sleep and NAD talk	People seek evening calm or pair it with NAD precursors, hoping to slow NAD breakdown through CD38. Feeling sleepy does not measure that pathway.

Notes

A concentrated plant compound. Apigenin occurs in chamomile, parsley and other plants. Capsules and powders contain the isolated flavone; tea and chamomile extracts contain other constituents and different chemical forms. Their milligram totals are not interchangeable. Borges et al. · Human apigenin ADME study (Official context · Accessed 2026-09-30)

Two reasons people look it up. Sleep-stack users want an easier evening downshift. NAD-stack users hope to slow NAD breakdown through CD38, an enzyme involved in that process. The first is a felt experience; the second is a pathway claim that cannot be judged from feeling sleepy.

Source context — Borges et al. · Human apigenin ADME study: Very small isolate arm, hot-water administration, sparse sampling. Does not establish all capsule formulations, clinical effects or elimination half-life. Primary article inspected through a forum-hosted PDF mirror.

What people notice

Calm and fewer awakenings	One 50 mg user describes better emotional control; another reports fewer early-morning awakenings while also taking magnesium glycinate.
Opposite or no response	Reports include feeling wired, next-day fog and little effect. Some find 50 mg helpful and 200 mg stimulating; another reports the reverse.
Longevity claims	NAD preservation, inflammation and healthy aging are discussion themes; these accounts do not demonstrate human rejuvenation or muscle growth.

Notes

Calmer mood and more continuous sleep. One 50 mg contributor describes better emotional control. Another reports fewer 1–4 a.m. awakenings while also using magnesium glycinate. Those are different outcomes, and the combination cannot identify apigenin's contribution. Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

Apigenin is a plant flavone sold in oral supplements. Sleep communities discuss it for evening calm and fewer awakenings; longevity communities pair it with NAD precursors. Reports also include feeling wired, next-day fog and little effect. Sleep experience does not demonstrate an anti-aging benefit.

The same amount can feel opposite. The 50 mg wired author later reports better sleep at 100–200 mg; another contributor finds 200 mg stimulating and 50 mg helpful. A different 100 mg/day user barely notices anything. These accounts challenge a universal dose-response story. Apigenin 50mg keeps me awake – anyone else? (Community discussion · Accessed 2026-09-30) · Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

Feeling rested has tradeoffs. The insomnia author describes less grogginess after changing from 200 mg to 150 mg, with magnesium co-use. Elsewhere, favorable sleep coexists with a drugged morning feeling. Dream vividness does not establish deeper or better-quality sleep. Not a doctor just sharing (Personal report · Accessed 2026-09-30) · What has been your experience with Apigenin? (Community discussion · Accessed 2026-09-30)

NAD preservation and healthy-aging interest. Existing discussions pair it with NMN or NR and compare it with quercetin and luteolin. Inflammation, senescence, muscle and metabolic claims also circulate. None of these reports establishes human rejuvenation or a validated muscle-building effect.

Source context — Apigenin EXPERIENCES: Anonymous unverified products, varying co-use and missing frequencies. Mechanism guesses are not measurements. Relative page dates are inconsistent with the older absolute thread date and are not converted into publication dates. Some replies are collapsed or deleted.

Source context — Apigenin 50mg keeps me awake – anyone else?: Vendor-associated community; individual commercial roles were not verified from the inspected body. No standardized sleep measures or demonstrated U-shaped mechanism. Frequencies not uniformly supplied. Body reviewed; resveratrol speculation not adopted.

Source context — Not a doctor just sharing: Severe prior sleep loss and medication history complicate attribution. Magnesium elemental basis unclear. Short uncontrolled sequence; not drug-replacement or dose-escalation advice. Similar r/insomnia cross-thread account not counted twice.

Source context — What has been your experience with Apigenin?: No measured drug levels; arithmetic rests on a rat-derived number and should not be adopted. Clarifying reply changes the apparent dose. Anonymous uncontrolled reports, deleted authors and unverified products.

Doses people talk about

25–50 mg oral	The preserved sleep-discussion band; 50 mg capsules recur in the inspected threads. Broader reported totals include 50–100 mg/day.
150–200 mg; separately 500 mg	An insomnia author describes 150–200 mg on successive nights. Other people report 200 mg per occasion or 500 mg nightly, with differing responses.
50 mg in one sleep stack	That account also lists L-theanine 200 mg and magnesium bisglycinate 250 mg; the magnesium figure does not specify elemental versus compound weight.
50–100 mg with NAD precursors	Original discussion pairs that apigenin amount with NMN or NR 250–500 mg, without specifying frequency or establishing a validated ratio.

Notes

Oral isolate: 25–50 mg in sleep discussion. The preserved sleep band includes 25 mg; reviewed threads repeatedly mention 50 mg capsules. Existing broader totals are 50–100 mg/day. These are reported amounts, not instructions or proof of a safe dose. Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

Separate higher reports: 150 mg, 200 mg and 500 mg. An insomnia author describes 150–200 mg on successive nights. Other threads discuss 200 mg per occasion and one 500 mg nightly report. Responses differ; these figures do not form an escalation plan. Not a doctor just sharing (Personal report · Accessed 2026-09-30) · Apigenin 50mg keeps me awake – anyone else? (Community discussion · Accessed 2026-09-30) · Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

Stack amounts belong to separate ingredients. One oral sleep account lists apigenin 50 mg, L-theanine 200 mg and magnesium bisglycinate 250 mg. The magnesium figure lacks a clear elemental-versus-compound basis. Older stack copies vary; their total weight is not an apigenin dose. Sleep cocktail (Community discussion · Accessed 2026-09-30)

NAD pairings are not a fixed ratio. The original community shorthand pairs apigenin 50–100 mg with NMN or NR 250–500 mg; its frequency is unspecified. Morning and evening habits both appear. No checked human CD38 endpoint establishes that pairing.

Source context — Sleep cocktail: Multi-ingredient report with sleep disorder context. Magnesium basis ambiguous and Fitbit estimates do not measure sleep stages clinically. Does not isolate apigenin or establish an onset.

Half-life, onset & duration

Felt onset	30–60 minutes before bed is a reported intake habit. One 200 mg user fell asleep within 30 minutes after two sleepless nights; this is not a usual onset estimate.
Felt duration	At 200 mg, separate users report 7–8 hours of sleep or waking after four hours. Morning fog and complaints after stopping also occur; none measures drug duration.
Half-life	A reliable human oral-isolate value is unknown in this record. The repeated 90–92-hour figure comes from rat blood radioactivity, not human free-apigenin clearance.

Notes

Reported bedtime timing: 30–60 minutes before bed. The original discussion gives this habit; an opened stack report uses 30–45 minutes. Scheduled intake is not a measured onset. A separate insomnia author reports falling asleep within 30 minutes after 200 mg, following two sleepless nights. Sleep cocktail (Community discussion · Accessed 2026-09-30) · Not a doctor just sharing (Personal report · Accessed 2026-09-30)

Sleep duration varies, without a typical effect window. One 200 mg user reports 7–8 hours of sleep; another wakes after about four hours at that amount. Those are sleep outcomes, not measured drug durations. Next-morning fog appears even in favorable accounts. Apigenin 50mg keeps me awake – anyone else? (Community discussion · Accessed 2026-09-30) · What has been your experience with Apigenin? (Community discussion · Accessed 2026-09-30)

Brief benefit and lingering complaints both occur. One person reports sleep-onset help for only a couple of days. Another reports anxiety and disrupted sleep three days after stopping 50 mg. Persistence does not prove a three-day drug effect or establish clearance. Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

The repeated 90–92 hours is rat-derived lore. A Reddit author uses 92 hours to calculate accumulation; a Longecity author repeats 90 hours. The underlying study tracked rat blood radioactivity after radiolabeled apigenin. It does not measure free apigenin clearance from human capsules. What has been your experience with Apigenin? (Community discussion · Accessed 2026-09-30) · Senescent cell apoptosis by inhibiting p53 with Sirt1 instead of Fox04-DRI (Community discussion · Accessed 2026-09-30)

A reliable human isolate half-life remains unknown here. Neither morning fog nor symptoms continuing after stopping supplies that number. The older short-parent and roughly 12-hour timing stories concern different endpoints; they cannot be averaged with rat radioactivity or turned into a capsule dosing interval. What has been your experience with Apigenin? (Community discussion · Accessed 2026-09-30) · Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30)

Source context — Senescent cell apoptosis by inhibiting p53 with Sirt1 instead of Fox04-DRI: Unverified multi-agent experiment; mechanism explicitly speculative. Rat-derived timing cannot validate human schedule. No single-agent attribution.

Cycles people discuss

Nightly or occasional	Daily habits for weeks or months, 2–8-week sleep experiments, alternate nights and selected-night use all appear.
No agreed calendar	One longevity author uses 50 mg Monday, Wednesday and Friday. Other people pause around a month or during lower-stress periods; these do not establish required breaks.

Notes

Nightly habits and intermittent use coexist. Original accounts describe daily use for weeks or months and 2–8-week sleep experiments. Reviewed replies include occasional use, alternating nights with other supplements, and keeping it for selected nights after perceived benefit fades within about a week. Experience with apigenin as a sleep aid? (Community discussion · Accessed 2026-09-30)

No established on/off schedule. One longevity author describes 50 mg Monday, Wednesday and Friday. Others pause around a month or during lower-stress periods. These habits cannot establish tolerance prevention, long-term safety or a required break length. Senescent cell apoptosis by inhibiting p53 with Sirt1 instead of Fox04-DRI (Community discussion · Accessed 2026-09-30)

Source context — Experience with apigenin as a sleep aid?: Vendor-associated community. Very-high-dose adverse account has no numerical amount; cannot assign fainting to 500 mg from another person's comment. Fading benefit is perceived tolerance, not established mechanism. BBMcFarland repeats the same person's account seen elsewhere.

Stacks

Sleep combinations	Magnesium and L-theanine recur. Other accounts add glycine around 2 g, myo-inositol around 900 mg on some nights, or melatonin; changes cannot be assigned to apigenin alone.
NMN or NR	Longevity users pair apigenin with these NAD precursors. A favorable sleep report also involved NMN and other supplements, rather than apigenin alone.
Polyphenol combinations	Original discussion also combines apigenin with quercetin, luteolin or fisetin. That does not establish a tested benefit from combining them.

Notes

Sleep stacks hide several moving parts. Older combinations include theanine 100–400 mg, glycine about 2 g and myo-inositol about 900 mg on some nights, with variable magnesium forms. Melatonin and lifestyle changes also occur. Ingredient changes, product testing and morning function matter when interpreting a favorable story.

Formulation debates do not settle effectiveness. A liposomal user reports more restful sleep alongside NMN and other supplements; the thread author doubts supplement bioavailability. Original discussion questions plain powder, fat co-ingestion, micronized, phytosome and self-emulsifying forms. No inspected comparison establishes superiority or a required food routine. Apigenin Supplements Have Low Bioavailability (Community discussion · Accessed 2026-09-30)

Polyphenol bundle: Quercetin, luteolin, and/or fisetin together with apigenin — multi-agent confounding high; fisetin often pulsed as “senolytic,” apigenin often daily as sleep/NAD companion. [community]

Source context — Apigenin Supplements Have Low Bioavailability: No direct formulation comparison or drug-level testing. OP's food concentration lists and broad human-trial percentages are not adopted. Positive liposomal account has unstated dose and other supplements.

Watch for

Sleep, mood and gut symptoms	Accounts include anxiety, irritability, insomnia, morning fog, reduced libido, nausea or loose stool. An unspecified very-high-dose account describes nightmares and fainting.
Combinations and medication	Alcohol, prescription sedatives and sleep supplements can complicate morning impairment. The record flags anticoagulants, cyclosporine, chemotherapy and hormone therapy for qualified review.
Unknown safety and theories	Hormone explanations in threads lack matching measurements. Pregnancy, breastfeeding and child safety are not established here; chamomile-family allergy and product composition also matter.

Notes

Calming marketing does not predict the response. Reports include irritability, anxiety, insomnia, fog and reduced libido. An unspecified very-high-dose account describes nightmares and fainting. The original notes also retain nausea or loose stool. None supplies a side-effect rate. Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30) · Experience with apigenin as a sleep aid? (Community discussion · Accessed 2026-09-30)

Sedative combinations and medication questions matter. Alcohol, prescription sedatives and other sleep supplements complicate reports of morning impairment. Original interaction concerns name anticoagulants, cyclosporine, chemotherapy and hormone therapy; their magnitude at capsule doses is unsettled. Medication combinations need qualified review, not a forum's half-life calculation.

Hormone theories remain theories. Estrogen, cortisol and MAOI explanations recur in threads without matching measurements. A libido change or blood-pressure reading does not prove the proposed mechanism. Concentrated isolate also lacks established safety here for pregnancy, breastfeeding or children; chamomile-family allergy and product composition remain relevant. Apigenin EXPERIENCES (Community discussion · Accessed 2026-09-30) · Experience with apigenin as a sleep aid? (Community discussion · Accessed 2026-09-30)

Full notes

What apigenin is

A concentrated plant compound. Apigenin occurs in chamomile, parsley and other plants. Capsules and powders contain the isolated flavone; tea and chamomile extracts contain other constituents and different chemical forms. Their milligram totals are not interchangeable. Official context
Two reasons people look it up. Sleep-stack users want an easier evening downshift. NAD-stack users hope to slow NAD breakdown through CD38, an enzyme involved in that process. The first is a felt experience; the second is a pathway claim that cannot be judged from feeling sleepy. Community

Benefits people seek

Calmer mood and more continuous sleep. One 50 mg contributor describes better emotional control. Another reports fewer 1–4 a.m. awakenings while also using magnesium glycinate. Those are different outcomes, and the combination cannot identify apigenin's contribution. Reddit · r/Supplements
NAD preservation and healthy-aging interest. Existing discussions pair it with NMN or NR and compare it with quercetin and luteolin. Inflammation, senescence, muscle and metabolic claims also circulate. None of these reports establishes human rejuvenation or a validated muscle-building effect. Community

Doses people discuss

Oral isolate: 25–50 mg in sleep discussion. The preserved sleep band includes 25 mg; reviewed threads repeatedly mention 50 mg capsules. Existing broader totals are 50–100 mg/day. These are reported amounts, not instructions or proof of a safe dose. Community Reddit · r/Supplements
Separate higher reports: 150 mg, 200 mg and 500 mg. An insomnia author describes 150–200 mg on successive nights. Other threads discuss 200 mg per occasion and one 500 mg nightly report. Responses differ; these figures do not form an escalation plan. Personal report Reddit · r/NootropicsDepot Reddit · r/Supplements
Stack amounts belong to separate ingredients. One oral sleep account lists apigenin 50 mg, L-theanine 200 mg and magnesium bisglycinate 250 mg. The magnesium figure lacks a clear elemental-versus-compound basis. Older stack copies vary; their total weight is not an apigenin dose. Reddit · r/HubermanLab Community
NAD pairings are not a fixed ratio. The original community shorthand pairs apigenin 50–100 mg with NMN or NR 250–500 mg; its frequency is unspecified. Morning and evening habits both appear. No checked human CD38 endpoint establishes that pairing. Community

Half-life claims in the community

The repeated 90–92 hours is rat-derived lore. A Reddit author uses 92 hours to calculate accumulation; a Longecity author repeats 90 hours. The underlying study tracked rat blood radioactivity after radiolabeled apigenin. It does not measure free apigenin clearance from human capsules. Reddit · r/HubermanLab Longecity
A reliable human isolate half-life remains unknown here. Neither morning fog nor symptoms continuing after stopping supplies that number. The older short-parent and roughly 12-hour timing stories concern different endpoints; they cannot be averaged with rat radioactivity or turned into a capsule dosing interval. Reddit · r/HubermanLab Community Reddit · r/Supplements

When people notice something

Reported bedtime timing: 30–60 minutes before bed. The original discussion gives this habit; an opened stack report uses 30–45 minutes. Scheduled intake is not a measured onset. A separate insomnia author reports falling asleep within 30 minutes after 200 mg, following two sleepless nights. Community Reddit · r/HubermanLab Personal report
Early calm can turn into wakefulness. One 50 mg account describes 10–30 minutes of relaxation followed by feeling highly motivated and unable to sleep. This is the length of that person's calm phase, not a general onset estimate. Reddit · r/NootropicsDepot

How long the experience lasts

Sleep duration varies, without a typical effect window. One 200 mg user reports 7–8 hours of sleep; another wakes after about four hours at that amount. Those are sleep outcomes, not measured drug durations. Next-morning fog appears even in favorable accounts. Reddit · r/NootropicsDepot Reddit · r/HubermanLab
Brief benefit and lingering complaints both occur. One person reports sleep-onset help for only a couple of days. Another reports anxiety and disrupted sleep three days after stopping 50 mg. Persistence does not prove a three-day drug effect or establish clearance. Reddit · r/Supplements

Regular use and breaks

Nightly habits and intermittent use coexist. Original accounts describe daily use for weeks or months and 2–8-week sleep experiments. Reviewed replies include occasional use, alternating nights with other supplements, and keeping it for selected nights after perceived benefit fades within about a week. Community Reddit · r/NootropicsDepot
No established on/off schedule. One longevity author describes 50 mg Monday, Wednesday and Friday. Others pause around a month or during lower-stress periods. These habits cannot establish tolerance prevention, long-term safety or a required break length. Longecity Community

What can go wrong

Calming marketing does not predict the response. Reports include irritability, anxiety, insomnia, fog and reduced libido. An unspecified very-high-dose account describes nightmares and fainting. The original notes also retain nausea or loose stool. None supplies a side-effect rate. Reddit · r/Supplements Reddit · r/NootropicsDepot Community
Sedative combinations and medication questions matter. Alcohol, prescription sedatives and other sleep supplements complicate reports of morning impairment. Original interaction concerns name anticoagulants, cyclosporine, chemotherapy and hormone therapy; their magnitude at capsule doses is unsettled. Medication combinations need qualified review, not a forum's half-life calculation. Community Community
Hormone theories remain theories. Estrogen, cortisol and MAOI explanations recur in threads without matching measurements. A libido change or blood-pressure reading does not prove the proposed mechanism. Concentrated isolate also lacks established safety here for pregnancy, breastfeeding or children; chamomile-family allergy and product composition remain relevant. Reddit · r/Supplements Reddit · r/NootropicsDepot Community

Supporting research context

Human absorption study, not a capsule half-life. Borges's small isolate arm used capsule contents in hot water in three men. Plasma sampling through six hours found no parent or measured metabolites, although urine contained conjugates. Non-detection does not prove zero absorption; the study did not calculate a half-life. Official context
The 91.8-hour result measured rat radioactivity. Gradolatto's original abstract describes a single oral radiolabeled exposure and blood-radioactivity kinetics. This endpoint includes a different measurement problem from human free-parent elimination or a sleep benefit. Animal context
CD38 findings come from cells and mice. Escande's experiment used 100 mg/kg intraperitoneally daily for seven days in obese mice and reported higher liver NAD. This is supporting mechanism context, not a human oral dose or a proven supplement pairing. Animal context
Chamomile trials test a different product. Zick's 34-person insomnia trial used 540 mg/day of extract for 28 days and found no significant sleep-diary advantage. Each 90 mg tablet assayed at 3.9 mg apigenin; a universal extract percentage would misdescribe this preparation. Official context

What the experiences add

The same amount can feel opposite. The 50 mg wired author later reports better sleep at 100–200 mg; another contributor finds 200 mg stimulating and 50 mg helpful. A different 100 mg/day user barely notices anything. These accounts challenge a universal dose-response story. Reddit · r/NootropicsDepot Reddit · r/Supplements
Feeling rested has tradeoffs. The insomnia author describes less grogginess after changing from 200 mg to 150 mg, with magnesium co-use. Elsewhere, favorable sleep coexists with a drugged morning feeling. Dream vividness does not establish deeper or better-quality sleep. Personal report Reddit · r/HubermanLab
Formulation debates do not settle effectiveness. A liposomal user reports more restful sleep alongside NMN and other supplements; the thread author doubts supplement bioavailability. Original discussion questions plain powder, fat co-ingestion, micronized, phytosome and self-emulsifying forms. No inspected comparison establishes superiority or a required food routine. Reddit · r/NMN Community
Sleep stacks hide several moving parts. Older combinations include theanine 100–400 mg, glycine about 2 g and myo-inositol about 900 mg on some nights, with variable magnesium forms. Melatonin and lifestyle changes also occur. Ingredient changes, product testing and morning function matter when interpreting a favorable story. Community Community
Longevity sensations are not rejuvenation measurements. A multi-supplement Longecity experiment left its author exhausted the next morning. The proposed senescent-cell explanation was explicitly unverifiable. Original discussion distinguishes daily apigenin interest from fisetin-style pulses; fatigue does not confirm cell clearance. Longecity Community