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Apigenin supplement
Flavonoid

Apigenin — Research Profile

Evidence:Emerging
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Apigenin is the active sleep compound in chamomile, available as a purified supplement.

Apigenin is the active sleep compound in chamomile, available as a purified supplement. It binds GABA-A benzodiazepine receptors for mild sedation and anxiety relief. Doses of 50mg before bed are widely used for sleep, based on chamomile clinical trial data. Bonus: it inhibits CD38 to boost NAD+ levels.

Bottom line: Apigenin is chamomile's sleep-promoting flavonoid in concentrated form. Take 50mg before bed for gentle sedation and GABA-A receptor activation.

Evidence:RCT (2009) · high confidence[#1]. See full reference list below.

Key Facts

What it is
A flavonoid compound from chamomile that binds GABA-A benzodiazepine receptors and inhibits the NAD+-consuming enzyme CD38
Primary benefits
  • Binds GABA-A benzodiazepine receptors for sedation (Avallone 2000)
  • Mild anxiolytic without significant cognitive impairment
  • Inhibits CD38 to increase NAD+ levels (longevity benefit)
  • Precise dosing as purified compound
  • Anti-inflammatory and neuroprotective properties
Typical dosage
50mg before bed
Evidence level
Emerging
Safety profile
Generally Safe

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What the Research Says

Apigenin is a bioactive flavonoid with diverse pharmacological effects. At the molecular level, Avallone et al. (2000) demonstrated that apigenin binds to the GABA-A benzodiazepine site, which explains its sedative and anxiolytic properties. Additionally, Escande et al. (2013) identified apigenin as a CD38 inhibitor, which enhances NAD+ levels, suggesting potential benefits for metabolic health.

Preclinical studies highlight apigenin's anti-inflammatory and antioxidant effects. Rahimi et al. (2022) conducted a systematic review of 14 preclinical studies, showing that apigenin significantly reduces inflammatory markers such as NF-κB, IL-1β, IL-6, and TNF-α, while also decreasing oxidative stress in lung injury models. Similarly, Wang et al. (2024) performed a meta-analysis of five studies involving 226 rats, finding that apigenin reduces inflammation and oxidative stress in acute lung injury models.

In the context of cancer, Singh et al. (2022) reviewed 25 animal studies and found that apigenin significantly reduces tumor volume, weight, number, and load across various cancers without affecting body weight. Furthermore, Ahmadzadeh et al. (2024) analyzed 39 preclinical studies and concluded that apigenin decreases cell viability and tumor size in colorectal adenocarcinoma models, suggesting its potential as an adjuvant therapy.

Despite these promising findings, human randomized controlled trials (RCTs) with purified apigenin are limited. The evidence primarily来源于 chamomile extract studies, where apigenin is considered the main active compound. A 50mg dose recommendation has been proposed based on estimating apigenin content in clinically effective chamomile doses and popularization by Huberman.

Overall, apigenin exhibits broad therapeutic potential across anxiety, inflammation, cancer, and neurodegenerative diseases, though further human studies are needed to confirm its efficacy and safety.

Benefits of Apigenin

  • GABA-A receptor binding — Avallone et al. (2000) demonstrated apigenin binds the benzodiazepine site on GABA-A receptors with moderate affinity, producing anxiolytic and mild sedative effects without the myorelaxant or amnesic effects of classical benzodiazepines [1]
  • Sleep promotion — as the primary active compound in chamomile, apigenin accounts for much of chamomile's clinical sleep and anxiolytic effects documented in the Amsterdam et al. (2009) and Mao et al. (2016) GAD trials [1]
  • NAD+ boosting — Escande et al. (2013) showed apigenin inhibits CD38, a major NAD+-consuming enzyme, resulting in increased intracellular NAD+ levels, which supports mitochondrial function and has longevity implications
  • Anti-inflammatory effects — apigenin inhibits NF-kB and COX-2 pathways, reducing neuroinflammation that can contribute to anxiety and sleep disturbances [5, 7]
  • Neuroprotection — apigenin has demonstrated protective effects against oxidative stress-induced neuronal damage in multiple preclinical models, suggesting long-term brain health benefits alongside acute calming effects [2, 5]

Our Top Apigenin Picks

As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

Momentous Apigenin Supplement - 50 mg per Capsule - NSF Certified for Sport - 60-Count
Momentous Apigenin Supplement - 50 mg per Capsule - NSF Certified for Sport - 60-Count
Momentous
#1 Top Pick
OverallForm: CapsulePrice: $0.77/serving
Did you know?

Apigenin is a bioactive flavonoid with diverse pharmacological effects.

Forms of Apigenin

Apigenin supplement forms compared by bioavailability and best use
FormBioavailabilityBest For
Purified Apigenin CapsulesLow-Moderate (lipophilic, benefits from fat)Targeted sleep and GABA support — precise dosing at 50mg, the most popular supplemental form
Apigenin from Chamomile ExtractModerateBroader spectrum — includes additional chamomile flavonoids that may have synergistic effects

Dosage Recommendations

General recommendation: 50mg taken 30-60 minutes before bed

Timing: 30-60 minutes before bed for sleep. Take with a small fat-containing snack for improved absorption. • Take with food for best absorption.

Dosage by Condition

Sleep support
50mg before bedEmerging
Anxiety
50-100mg dailyEmerging
NAD+ support / longevity
50mg dailyPreliminary

Upper limit: 100mg/day (limited human safety data at higher doses)

Side Effects and Safety

Safety profile: Generally Safe

Potential Side Effects

  • Generally well tolerated at typical doses
  • Sedation / drowsiness (intended effect for sleep use)
  • Potential concern for men: very high doses may inhibit aromatase and affect estrogen metabolism (theoretical at supplemental doses)
  • Mild GI discomfort (rare)
  • Allergic reactions in chamomile/ragweed-sensitive individuals (rare)

Drug & Supplement Interactions

  • Sedative medications — additive effects via GABA-A pathway
  • CYP1A2 and CYP2C9 substrates — apigenin may inhibit these enzymes at high concentrations
  • Hormone-sensitive conditions — theoretical aromatase inhibition at very high doses
  • Blood thinners — mild antiplatelet effects possible
Check Apigenin interactions with other supplements →
BenefitsDosage GuideSide EffectsTypes & FormsResearchFAQ

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Frequently Asked Questions

Is apigenin the same as chamomile?

No — apigenin is a single flavonoid compound found in chamomile, but chamomile contains many other active compounds including other flavonoids, terpenoids, and coumarins. Taking purified apigenin gives you the primary sleep-promoting compound in a standardized dose, while chamomile extract provides the full spectrum of chamomile compounds. Both approaches are valid; apigenin offers precision, while chamomile extract may benefit from synergistic effects.

Does apigenin really boost NAD+ levels?

In cell and animal studies, yes — Escande et al. (2013) showed apigenin inhibits CD38, the primary NAD+-consuming enzyme in mammalian cells, resulting in increased intracellular NAD+ levels. However, this effect has not been confirmed in human clinical trials at typical supplement doses (50mg). The NAD+ benefit should be considered a promising secondary effect rather than the primary reason to take apigenin.

Is 50mg of apigenin enough for sleep?

The 50mg dose is widely used based on extrapolation from chamomile clinical trials [1] and was popularized by neuroscientist Andrew Huberman. Many users report subjective sleep improvement at this dose. However, no direct dose-ranging study of purified apigenin for sleep has been published. Some people may benefit from higher doses (up to 100mg), but caution is warranted given limited human dosing data. Start with 50mg and assess your response before increasing.

Evidence:RCT (2009) · high confidence[#1]. See full reference list below.

What is the best form of Apigenin to take?

The best form of apigenin depends on your specific health goals, absorption needs, and tolerance. Chelated and standardized extract forms generally offer higher bioavailability than raw or unstandardized versions. Check the product label for third-party testing to ensure potency and purity.

What are the proven benefits of Apigenin?

Apigenin has been studied for multiple health applications with varying levels of clinical evidence. The strongest evidence typically comes from randomized controlled trials and meta-analyses published in peer-reviewed journals. Individual responses can vary based on baseline status, dosage, and duration of use.

How much Apigenin should I take per day?

Apigenin dosage depends on the specific form, your health goals, and individual factors such as body weight and baseline nutrient status. Following the dose used in clinical trials is generally the most evidence-based approach. Starting at the lower end of the recommended range and adjusting upward is advisable.

When is the best time to take Apigenin?

Apigenin timing depends on whether it is fat-soluble or water-soluble and whether it causes digestive sensitivity. Consistency in timing is more important than the specific hour of the day. Taking supplements at the same time daily helps maintain steady levels.

What are the side effects of Apigenin?

Apigenin is generally well tolerated at recommended doses, with gastrointestinal discomfort being the most commonly reported side effect. Side effects are typically mild and dose-dependent, resolving with dose reduction or taking with food. Serious adverse effects are rare at standard supplemental doses.

Does Apigenin interact with any medications?

Apigenin may interact with certain prescription medications by affecting absorption, metabolism, or pharmacological effects. Always inform your healthcare provider about all supplements you take, especially before surgery or when starting new medications. Spacing supplements and medications by 2 hours reduces most absorption interactions.

Who should consider taking Apigenin?

Apigenin is most appropriate for individuals with confirmed deficiency, suboptimal levels, or specific health conditions supported by clinical evidence. People in higher-risk demographics, including older adults and those with restricted diets, may benefit most. Testing baseline levels before supplementing provides the best guidance.

How long does Apigenin take to show results?

Apigenin effects vary by the specific health outcome being targeted, with some benefits appearing within days and others requiring weeks to months of consistent daily use. Correcting a deficiency typically shows improvement within 2-4 weeks. A minimum 8-12 week trial at the recommended dose is advisable before evaluating effectiveness.

Is Apigenin safe for long-term daily use?

Apigenin is considered safe for long-term use at recommended doses based on available clinical data. Staying within established upper intake limits minimizes the risk of adverse effects over time. Periodic reassessment with a healthcare provider is recommended, especially if health conditions change.

Can you take too much Apigenin?

Exceeding the recommended dose of apigenin increases the risk of adverse effects without providing additional benefit. Toxicity risk varies by form and individual factors such as kidney and liver function. Mega-dosing is not supported by clinical evidence and should be avoided.

Can I combine Apigenin with other supplements?

Apigenin can generally be combined with complementary supplements, though some combinations may affect absorption or create additive effects. Spacing different supplements by 1-2 hours can reduce absorption competition. Consulting a healthcare professional is advisable when combining multiple supplements targeting the same health pathway.

What should I look for when buying a Apigenin supplement?

Third-party testing from USP, NSF, or ConsumerLab is the most important quality indicator when purchasing apigenin supplements. Look for products that clearly state the specific form, dose per serving, and any relevant standardization percentages. Avoid proprietary blends that hide individual ingredient amounts.

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References

  1. RCTAmsterdam JD, Li Y, Soeller I, Rockwell K, Mao JJ, Shults J (2009). A randomized, double-blind, placebo-controlled trial of oral Matricaria recutita (chamomile) extract therapy for generalized anxiety disorder. Journal of Clinical Psychopharmacology. DOI PubMed
  2. Meta-analysisZhang N, Nao J, Dong X (2025). Efficacy and Safety of Natural Apigenin Treatment for Alzheimer's Disease: Focus on In vivo Research Advancements.. Current neuropharmacology. DOI PubMed
  3. Ahmadzadeh K, Roshdi Dizaji S, Ramezani F, Imani F, et al. (2024). Potential therapeutic effects of apigenin for colorectal adenocarcinoma: A systematic review and meta-analysis.. Cancer medicine. DOI PubMed
  4. Meta-analysisSingh D, Gupta M, Sarwat M, Siddique HR (2022). Apigenin in cancer prevention and therapy: A systematic review and meta-analysis of animal models.. Critical reviews in oncology/hematology. DOI PubMed
  5. Meta-analysisRahimi A, Alimohammadi M, Faramarzi F, Alizadeh-Navaei R, et al. (2022). The effects of apigenin administration on the inhibition of inflammatory responses and oxidative stress in the lung injury models: a systematic review and meta-analysis of preclinical evidence.. Inflammopharmacology. DOI PubMed
  6. Muhammed TM, Jalil AT, Taher WM, Aminov Z, et al. (2024). The Effects of Apigenin in the Treatment of Diabetic Nephropathy: A Systematic Review of Non-clinical Studies.. Mini reviews in medicinal chemistry. DOI PubMed
  7. ReviewOlasehinde TA, Olaokun OO (2024). Apigenin and inflammation in the brain: can apigenin inhibit neuroinflammation in preclinical models?. Inflammopharmacology. DOI PubMed
Show 2 more references
  1. Mohsenzadeh-Ledari F, Delavar MA, Moghadamnia AA, Bekhradi R, et al. (2026). Effect of Matricaria chamomilla on the Quality of Life Among Women with Menopausal Symptoms: A Triple-Blind Randomized Controlled Trial.. Journal of integrative and complementary medicine. DOI PubMed
  2. Ghaderi F, Abdollahi Mandoulakani B (2024). Investigation of the association between gene expression levels and phenolic compound content in the leaves of Sonchus arvensis plants under salinity stress.. Heliyon. DOI PubMed