Apigenin is a flavonoid found in parsley, celery and especially chamomile, studied since 2017 for its ability to curb the inflammation produced by senescent cells in the body. A team at the Buck Institute showed that this compound reduces the secretion of inflammation-linked cytokines tied to tissue aging, in cell culture and then in mice, without destroying these cells the way reference senolytics do. Here is what the studies show, and why the term “senolytic”, often attached to it, is misleading.
In brief – Apigenin is a dietary flavonoid, found notably in chamomile, parsley and celery, that acts as a “senomorphic” agent by suppressing the senescence-associated secretory phenotype (SASP) rather than eliminating senescent cells themselves. Research published in 2017 in GeroScience showed that it blocks IL-1α/NF-kB signaling in senescent human fibroblasts, reducing the secretion of cytokines such as IL-6 and CXCL10. A 2025 study clarified the molecular mechanism at play: the molecule binds to the PRDX6 protein and improves physical and cognitive function in prematurely aged mice. Unlike the dasatinib-quercetin combination or fisetin, two senolytics already tested in humans, this compound has so far only been studied in animals and cell culture for this use: no clinical trial to date validates an anti-senescence effect in humans.
Definition: what is apigenin?
Apigenin belongs to the flavone family, a subgroup of flavonoids found in many plants. It occurs in notable amounts in dried parsley, celery, oregano and especially chamomile flowers, whose infusion contains several hundred milligrams per 100 grams (3.5 oz). Long studied for its anti-inflammatory and mildly anxiolytic properties, apigenin drew the attention of cell-aging researchers starting in the mid-2010s.
The term “senolytic” designates a molecule capable of selectively killing senescent cells, such as the dasatinib-quercetin combination or fisetin. Apigenin acts differently: it leaves senescent cells in place but reduces their harmful secretory activity, which places it among “senomorphic” compounds rather than senolytics in the strict sense. This distinction echoes a broader debate in aging biology. A French research team showed in mice that fully eliminating senescent cells from the liver can worsen certain liver markers, and proposed reprogramming these cells rather than destroying them outright, a reminder that senescence is not a simple switch to turn off. The World Health Organization’s overview of ageing similarly frames biological aging as a gradual, non-linear accumulation of molecular and cellular changes rather than a single mechanism to shut down (WHO).
Mechanism: how does apigenin act on senescent cells?
Apigenin targets the inflammatory pathway that fuels the SASP (senescence-associated secretory phenotype), the cocktail of cytokines, chemokines and proteases secreted by senescent cells. Several molecular targets have been identified in the literature:
- Inhibition of IL-1α signaling via IRAK1 and IRAK4, upstream of the p38-MAPK pathway.
- Blockade of NF-kB p65 nuclear translocation, the central transcription factor of the SASP.
- Reduced expression of IkBzeta, a regulatory protein of chronic inflammation.
- Direct binding to the PRDX6 protein, identified in 2025 as the main molecular target in senescent cells.
This cascading action explains why the flavonoid reduces the secretion of cytokines such as IL-6, IL-8 (CXCL8) and CXCL10, without altering the viability of the senescent cells themselves.
What the science says about apigenin and cellular senescence
Three studies frame most of the current knowledge on this flavonoid. In 2017, a team at the Buck Institute showed that it suppresses the SASP in three senescent human fibroblast cell lines, regardless of the trigger (ionizing radiation, the RAS oncogene, replicative senescence), and reduces the aggressiveness of breast cancer cells exposed to the secretome of neighboring senescent cells (Perrott et al., 2017) (PubMed).
A South Korean study published in 2015 had already compared five flavonoids in fibroblasts made senescent with bleomycin: apigenin and kaempferol proved the most effective at suppressing the SASP via the NF-kB/IkBzeta pathway, with confirmation in vivo in aged rats after oral administration (Lim et al., 2015) (PubMed).
In 2025, a team combining Chinese researchers with Judith Campisi and James Kirkland, two leading figures in the field, identified PRDX6 as a molecular target and showed that the compound improves physical function and cognitive performance in mice with accelerated aging, while boosting chemotherapy efficacy in tumor models (Zhang et al., 2025) (PubMed). None of these three studies has been conducted in humans for this specific use.
By comparison, the senolytic combination of dasatinib and quercetin has already reached clinical trials: a phase 1 trial in patients with idiopathic pulmonary fibrosis confirmed its feasibility and tolerability over three weeks, without demonstrating efficacy on the disease at this early stage (Nambiar et al., 2023) (PubMed). This gap in the stage of evidence sums up the difference with reference senolytics.
More broadly, the low-grade chronic inflammation linked to age, or inflammaging, remains the backdrop against which this anti-SASP action takes place (Franceschi & Campisi, 2014) (PubMed).
In practice: where to find apigenin, and what should you expect?
Apigenin is obtained mainly through diet: chamomile tea, fresh or dried parsley, celery, and to a lesser extent oregano and other aromatic herbs. Its low solubility in water and fat limits digestive absorption: animal studies use purified doses far higher than what a typical cup of chamomile tea provides, which makes any direct extrapolation of an anti-senescence effect to everyday food intake risky.
The table below situates apigenin relative to the two most studied senolytics in humans.
| Compound | Mode of action | Stage of evidence | Dietary source |
|---|---|---|---|
| Apigenin | Senomorphic (SASP suppression) | Human cells, mice | Chamomile, parsley, celery |
| Fisetin | Senolytic (selective elimination) | Human cells, mice, pilot trials in humans | Strawberry, apple, onion |
| Dasatinib + quercetin | Senolytic (selective elimination) | Phase 1 clinical trial in humans | Not dietary (dasatinib); onion, caper (quercetin) |
To place this flavonoid within a broader approach to cellular aging, our cellular senescence pillar page details the other mechanisms at play, and our article on chronic inflammation (inflammaging) explores the link between the senescent secretome and systemic inflammation. Our guide to telomeres covers another marker of cellular aging closely tied to senescence.
Protocol and precautions around apigenin
No supplementation protocol using purified apigenin has been validated in humans to date for slowing cellular senescence. The available data are limited to lab and animal work, with doses and administration routes that do not simply translate to everyday use.
- A good-quality chamomile tea, rich in flowers, remains a simple way to get it through diet, without attaching any anti-aging claim to it.
- Fresh parsley and celery, added regularly to meals, round out intake with no known risk at typical culinary amounts.
- Purified supplements sold online sometimes deliver several dozen milligrams per dose, a concentration far above dietary levels, whose long-term safety is not documented.
- An affinity for GABA-A receptors, which underlies chamomile tea’s calming effect, warrants caution when combined with benzodiazepines or other sedatives.
This caution fits into a broader approach to slowing aging, detailed in our article on the 9 proven longevity strategies, where diet ranks among the best-supported levers.
Frequently asked questions about apigenin
What is apigenin?
Apigenin is a flavonoid in the flavone family, found in parsley, celery, oregano and especially chamomile flowers. Cellular aging research has focused on it since 2017 for its ability to reduce the inflammation produced by senescent cells without destroying them, which sets it apart from classic senolytics like fisetin.
Is apigenin really a senolytic?
Not in the strict sense. A senolytic selectively eliminates senescent cells, like the dasatinib-quercetin combination or fisetin. Apigenin acts as a senomorphic agent: it leaves senescent cells in place but blocks their inflammatory secretion (SASP) via the NF-kB pathway. The “senolytic” label sometimes attached to it is an imprecise shorthand.
What studies support apigenin’s effect on senescence?
Three main studies: a 2017 Buck Institute study on senescent human fibroblasts, a 2015 South Korean study comparing five flavonoids in rats, and a 2025 study identifying the PRDX6 protein as a molecular target in mice. No human clinical trial on this specific use has been published yet.
Where is apigenin found in food?
Chamomile is one of the most concentrated sources, followed by dried parsley, celery and oregano. Its low solubility limits digestive absorption, though, and the doses used in animal studies far exceed what a typical infusion or home-cooked meal provides.
Should you supplement with apigenin to slow aging?
No clinical data justify it at this time in healthy adults. Purified supplements deliver amounts far above dietary levels, without long-term safety documentation. A diet that includes chamomile, parsley and celery remains the best-supported option while awaiting human trials on cellular senescence.
Medical disclaimer. The information above is provided for informational purposes only and does not constitute medical advice. It does not replace a consultation. Ask a healthcare professional before changing your diet, taking dietary supplements or starting a new practice, especially if you have a medical condition, are pregnant or are under treatment. Dietary supplements do not replace a balanced diet or medical follow-up.
