Ingredient label guide
Apigenin: Sleep Evidence, Dosage, Forms, and Safety
Apigenin is sold as an isolated flavonoid and also appears as a marker in botanical extracts, especially chamomile. Those are not equivalent label lines. Useful comparisons start with the material actually named, the apigenin amount per full serving, any purity or standardization claim, blend transparency, and whether the promoted benefit comes from human evidence or only from laboratory and animal research.
Also listed as: apigenin, 4′,5,7-trihydroxyflavone, apigenin extract, apigenin 98%, or chamomile extract standardized to apigenin.
Overview
Apigenin is one flavonoid, not another name for chamomile
Apigenin is a flavone found in foods and botanicals including parsley, celery, and chamomile. In plants it can occur in different chemical forms, including glycosides that are processed differently after ingestion. A human absorption study found distinct metabolite and timing patterns after free apigenin, parsley preparations, and chamomile tea, showing why source and matrix are not trivial details. 1, 2
An isolated apigenin capsule declares the compound itself. A chamomile extract contains a wider mixture and may use apigenin only as a standardization marker. Chamomile powder with no marker declaration does not reveal an apigenin amount. The three products should not share one assumed dose.
Purity, extract mass, and active amount answer different questions
A label may state a direct apigenin amount, a raw-material purity percentage, or a botanical extract standardized to apigenin. The percentage needs a clear mass basis. For example, 500 mg of chamomile extract standardized to 1.2% apigenin describes 6 mg of apigenin by label arithmetic, not 500 mg of apigenin.
Sleep, calm, and longevity claims
The strongest marketing stories are not direct isolated-apigenin trials
Sleep
Apigenin is commonly promoted for sleep, but direct clinical outcome evidence for isolated apigenin capsules remains sparse. A small chamomile-extract trial in 34 adults found no significant differences from placebo in its primary sleep-diary measures. That study does not establish an isolated apigenin dose or predictable sleep benefit. 5
Calm and GABA-related claims
A frequently cited 1995 study found receptor binding and anxiety-like behavior effects in mice. It was not a human trial, did not test a retail capsule, and did not show that apigenin works like a benzodiazepine in people. 4
CD38 and NAD+
Apigenin inhibited CD38 in experimental systems and increased NAD+ in cells and obese mice. The animal experiment used injected apigenin, not an oral consumer supplement. It does not prove that a capsule raises human NAD+ or produces a healthy-aging outcome. 6
Antioxidant and broad wellness claims
Mechanistic antioxidant language is common, but it is not a clinical endpoint. In one short dietary study, parsley supplied about 84 mg of apigenin daily without significantly changing the measured hemostatic variables. Food exposure cannot validate an isolated supplement’s broad disease or performance claims. 3
Isolated apigenin and botanical sources
Start with what the milligrams actually belong to
The front label may place apigenin, chamomile, and sleep language next to one another, but the Supplement Facts panel determines what was declared. A direct active amount is the clearest comparison. An extract amount requires its own source and marker context, while a food or whole-herb amount cannot be converted into apigenin without an assay.
A high-purity claim can improve compositional transparency when both the material mass and percentage basis are clear. It does not prove absorption, clinical effect, contaminant status, or equivalence to a study preparation.
What each label description establishes
- Apigenin 50 mg
- Declares 50 mg of apigenin per listed serving when the label uses the ingredient name directly and does not assign the amount to an extract.
- Apigenin extract 50 mg, standardized to 98% apigenin
- Declares an extract mass and a marker percentage. If the percentage applies to all 50 mg, the theoretical active amount is 49 mg.
- Apigenin 98%
- States a purity specification but needs a clearly associated material amount. The percentage alone is not a dose.
- Chamomile extract standardized to apigenin
- Identifies a botanical source and marker. The extract milligrams and apigenin milligrams remain separate quantities.
- Chamomile, parsley, or celery powder
- Names a food or botanical material. Do not infer an apigenin dose unless the label declares one.
Read the label
Separate the active amount from the ingredient story
Read the serving size first, then identify the material, amount, and percentage basis on the same line. Suggested use may create more than one serving per day, but the Supplement Facts amount normally remains the amount per listed serving. A shared blend total does not disclose how much apigenin is present.
Five label lines that require different interpretations
- Apigenin 50 mg per one-capsule serving
- The active amount and serving basis are clear. The line alone does not establish sleep efficacy or long-term safety.
- Apigenin extract 50 mg, standardized to 98% apigenin
- The extract and purity context are disclosed. Confirm that the percentage applies to the full 50 mg material amount.
- Chamomile extract 500 mg, standardized to 1.2% apigenin
- The label describes 500 mg of extract and 6 mg of apigenin by arithmetic. It is not a 500 mg isolated-apigenin product.
- Chamomile extract 500 mg
- The extract mass is visible, but no apigenin amount can be derived when the marker percentage is absent.
- Night Formula 800 mg: melatonin, apigenin, L-theanine, lemon balm
- The 800 mg belongs to the whole blend. The individual apigenin amount remains undisclosed.
Retail milligrams are not a clinically established range
Products commonly use neat-looking capsule amounts such as 25 mg or 50 mg. Without dose-finding trials for isolated apigenin, those numbers describe the retail label rather than a proven optimal sleep, relaxation, or longevity dose.
Compare the whole stack
The surrounding bedtime formula may matter more than the front-label hero ingredient
Apigenin often appears beside melatonin, L-theanine, glycine, magnesium glycinate, lemon balm, or chamomile. Each ingredient has its own amount, evidence, serving, and caution context. A single "sleep blend" headline should not replace that review.
A practical stack review
- Standalone apigenin
- Record the amount per full serving, source wording, and any declared purity or standardization basis.
- Chamomile plus isolated apigenin
- Keep the botanical extract and isolated active as separate label lines. Do not add chamomile mass to apigenin mass.
- Multi-ingredient evening formula
- Check every disclosed amount, the complete serving, repeated calming ingredients, and any actives hidden inside a shared blend.
Study amounts and upper limits
Human exposure studies do not establish a consumer dosing standard
No well-established optimal oral dose or formal tolerable upper intake level exists for isolated apigenin supplements. Published human work includes food and botanical preparations with different chemical forms and matrices. Those amounts should not be copied into a universal capsule range.
What the available amounts actually describe
- Free apigenin, parsley preparations, and chamomile tea
- A controlled human absorption study compared different sources and chemical forms. It measured metabolism and excretion, not sleep, relaxation, or longevity outcomes. 2
- About 84 mg daily from dried parsley for seven days
- This small randomized crossover study tested dietary parsley and hemostatic measures. It was not a trial of an 84 mg isolated apigenin capsule and found no significant measured hemostatic effect. 3
- 270 mg chamomile extract twice daily
- This was a specific flowering-tops extract in a 28-day insomnia pilot, not 270 mg of isolated apigenin. Primary sleep-diary outcomes did not differ significantly from placebo. 5
- No established UL
- The absence of a formal upper limit is not evidence that any dose, duration, or multi-ingredient combination is safe.
For label comparison, keep the direct apigenin amount separate from extract mass and from food-derived exposure. More milligrams do not repair an evidence gap or prove better absorption.
Safety and marketing limits
Concentrated isolated use has more uncertainty than ordinary food exposure
Human safety data are limited
Human absorption studies show that apigenin is metabolized after ingestion, but they do not establish long-term safety for concentrated isolated supplements. No formal upper limit or well-validated long-term retail dose has been established. 2
Medicine and sedation context deserves individual review
Apigenin is frequently placed in formulas with melatonin and other calming ingredients, while much of its receptor and metabolism story comes from preclinical work. People using sedating medicines or drugs with a narrow safety margin should not treat a label review as medication clearance. Pregnancy and breastfeeding safety data for isolated supplemental apigenin are also insufficient.
Mechanisms are not outcomes
"Works like a benzodiazepine", "raises NAD+", "anti-aging" and "clinically proven sleep support" overstate the cited evidence when the product is an isolated retail capsule. Responsible claims distinguish cell, animal, food, chamomile-extract, and isolated- apigenin evidence.
NutriDetector approach
How NutriDetector reads apigenin labels
The analysis checks supported apigenin wording, the disclosed amount and unit, serving context, direct-active versus extract context, declared purity or standardization, blend transparency, and the surrounding formula. Supported standardized forms keep the percentage tied to the named material, while chamomile extract without a declared apigenin marker is not treated as a known apigenin dose.
The result is limited to the submitted label. It cannot laboratory-test chemical identity, actual apigenin content, purity, contaminants, or batch consistency, establish a sleep, relaxation, NAD+, or healthy-aging outcome, clear medicine interactions, or decide personal suitability. Compare extracted details with the original Supplement Facts panel before using the interpretation.
Analyze the full formula
Check the active amount, not just the sleep story.
NutriDetector keeps isolated apigenin, botanical-source wording, disclosed active amounts, serving context, purity or standardization, blend transparency, and co-ingredients separate so extract mass, active apigenin, and hidden blend totals are not treated as equivalent across the full formula.
Questions and boundaries
Apigenin supplement FAQ
Is apigenin the same as chamomile?
No. Apigenin is one flavonoid found in chamomile and other plants. A chamomile extract contains multiple constituents, while isolated apigenin declares the compound itself. Their milligram amounts and evidence are not interchangeable.
Does apigenin help with sleep?
Direct clinical outcome evidence for isolated apigenin sleep supplements remains sparse. Some human research concerns chamomile preparations, while commonly cited GABA-related evidence comes from receptor and animal work. That does not establish a predictable sleep benefit from a retail apigenin capsule.
Is apigenin a natural benzodiazepine?
No. A frequently cited study reported receptor binding and behavioral effects in mice. It did not show that oral apigenin supplements reproduce benzodiazepine treatment effects, dosing, or safety in people.
Does apigenin raise NAD+ or slow aging?
Cell and mouse research links apigenin with CD38 inhibition and NAD+ metabolism. That mechanistic evidence does not prove that an oral apigenin supplement raises NAD+ in humans, slows aging, or improves lifespan or healthspan.
What does 98% apigenin mean on a label?
It normally describes a purity or standardization specification for the named material. The label should also state the material amount and make the percentage basis clear. A 98% claim is not a dose, clinical-effect guarantee, or independent laboratory certificate.
How much apigenin is in a chamomile extract?
Only the label’s declared marker amount or percentage can answer that. For example, 500 mg of extract standardized to 1.2% apigenin describes 6 mg by label arithmetic. A 500 mg chamomile extract with no marker declaration does not reveal an apigenin amount.
What is the best apigenin dosage?
No universal optimal dose has been established for isolated apigenin supplements. Retail amounts such as 25 mg or 50 mg are not substitutes for dose-finding trials, and chamomile, food, extract, and isolated-apigenin amounts should not be treated as equivalent.
Can apigenin interact with medicines?
Clinical interaction data for isolated apigenin are limited. Because products are often used with other calming ingredients and laboratory research raises drug-metabolism questions, people using sedating medicines or drugs with a narrow safety margin should seek an individual pharmacist or clinician review.
What does NutriDetector check on an apigenin label?
NutriDetector reviews supported Apigenin wording, the amount per listed serving, direct active versus extract context, declared purity or apigenin standardization, botanical-source wording, serving context, blend transparency, and the surrounding formula. A hidden individual blend amount remains uncertain.
Human studies and primary evidence
- ChEBI. Apigenin (CHEBI:18388). EMBL-EBI.
- Borges G, Fong RY, Ensunsa JL, et al. Absorption, distribution, metabolism and excretion of apigenin and its glycosides in healthy male adults. Free Radical Biology and Medicine. 2022;185:90-96. PubMed.
- Janssen K, Mensink RP, Cox FJ, et al. Effects of the flavonoids quercetin and apigenin on hemostasis in healthy volunteers: results from an in vitro and a dietary supplement study. American Journal of Clinical Nutrition. 1998;67(2):255-262. PubMed.
- Viola H, Wasowski C, Levi de Stein M, et al. Apigenin, a component of Matricaria recutita flowers, is a central benzodiazepine receptors-ligand with anxiolytic effects. Planta Medica. 1995;61(3):213-216. PubMed.
- Zick SM, Wright BD, Sen A, Arnedt JT. Preliminary examination of the efficacy and safety of a standardized chamomile extract for chronic primary insomnia: a randomized placebo-controlled pilot study. BMC Complementary and Alternative Medicine. 2011;11:78. PubMed.
- Escande C, Nin V, Price NL, et al. Flavonoid apigenin is an inhibitor of the NAD+ase CD38: implications for cellular NAD+ metabolism, protein acetylation, and treatment of metabolic syndrome. Diabetes. 2013;62(4):1084-1093. PubMed.