Malpighia glabra (Malpighia glabra): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does acerola (Malpighia glabra) work in the body?

Acerola works primarily through its exceptionally high vitamin C content, which functions as a potent antioxidant and essential cofactor for collagen synthesis, neurotransmitter production, and immune cell function. The anthocyanins, flavonoids, and proanthocyanidins provide additional antioxidant activity by neutralizing free radicals and reducing oxidative stress. These compounds also modulate inflammatory pathways and support capillary integrity. The combination of vitamin C and bioflavonoids enhances absorption and bioavailability compared to synthetic ascorbic acid alone. Evidence Level: C.

Does acerola interact with any medications?

Yes, acerola's high vitamin C content can interact with several medications. It may enhance iron absorption, potentially causing issues with iron supplements. Vitamin C can interfere with chemotherapy agents and radiation therapy effectiveness. It may also affect anticoagulants like warfarin by influencing vitamin K metabolism, and high doses can increase estrogen levels when combined with oral contraceptives or hormone replacement therapy. Always consult a healthcare provider before combining acerola with prescription medications. Evidence Level: C.

What is the recommended dosage for acerola supplements?

The typical adult dosage is 100-500mg of vitamin C from acerola taken twice daily. Fresh acerola fruit can be consumed directly, providing approximately 1,000-4,500mg of vitamin C per 100g of fruit. Standardized extracts should be taken according to manufacturer instructions. Start with lower doses to assess gastrointestinal tolerance, and avoid exceeding 2,000mg of vitamin C daily from all sources unless medically supervised. Evidence Level: C, Traditional use.

Is acerola safe to take during pregnancy and breastfeeding?

Acerola is generally considered safe during pregnancy and breastfeeding when consumed in food amounts or at recommended supplemental doses. The vitamin C content supports fetal development, collagen formation, and maternal immune function. However, avoid excessive doses above 2,000mg daily, as this may cause gastrointestinal distress and could theoretically affect newborn kidney function. Women with a history of kidney stones should exercise caution. Consult a healthcare provider before starting supplements during pregnancy. Evidence Level: C, Traditional use.

What are the main health benefits of acerola cherry?

Acerola cherry is prized for its exceptionally high vitamin C content, providing powerful antioxidant support and immune enhancement. Traditional and modern uses include scurvy prevention, immune system support, skin health through collagen synthesis, and fatigue reduction. The anthocyanins and carotenoids offer additional antioxidant and anti-inflammatory benefits. Some evidence suggests potential cardiovascular and wound-healing applications, though clinical trial data remains limited. Evidence Level: C, Traditional use.

What are the side effects of taking acerola supplements?

Common side effects include gastrointestinal upset such as diarrhea, nausea, and abdominal cramps, particularly at high doses. Excessive vitamin C intake may increase the risk of kidney stones, especially in individuals with a history of calcium oxalate stones or hyperoxaluria. Rare allergic reactions can occur in sensitive individuals. To minimize side effects, take acerola with food and stay well-hydrated. Discontinue use if symptoms persist and seek medical advice. Evidence Level: C.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Malpighia glabra (acerola) is a tropical shrub known for its exceptionally high vitamin C content and potent antioxidant properties [PMID:30150795, PMID:39184583].

Background

Acerola is a tropical evergreen shrub producing fruits that are among the richest natural sources of ascorbic acid [PMID:39374107, PMID:30150795]. It is native to Mexico, Central America, and northern South America [PMID:17024954].

Traditional uses

It is used as an adjuvant in the treatment of several diseases, acting as an antianemic, appetite stimulant, wound healer, anti-inflammatory, mineralizer, antifungal, and antioxidant agent [PMID:28002591].

Active compounds

The fruit contains high levels of ascorbic acid (1500-4500 mg/100 g), carotenoids, phenolics, anthocyanins, and flavonoids [PMID:30150795, PMID:39184583]. Specific compounds identified include cyanidin-3-rhamnoside, quercetin-3-glucoside, isorhamnetin, catechin, procyanidin A2, naringenin, hesperidin, chlorogenic acid, and trans-resveratrol [PMID:34160074]. Leaves contain coumarins (capensine, daphnoretin, scopoletin), flavonoids (quercetin and apigenin glycosides), and phenolic acids [PMID:33349967].

Mechanism of action

Acerola exhibits strong anti-free radical effects and modulates redox processes [PMID:38396766, PMID:42280099]. It demonstrates antigenotoxic activity by reducing DNA damage induced by hydrogen peroxide and protecting DNA from mutations [PMID:23180597, PMID:21503669, PMID:28002591].

Clinical evidence

Evidence BSkin aging and health

A nutraceutical blend containing acerola fruit extract, collagen peptides, vitamin C, zinc, and biotin improved skin hydration, elasticity, roughness, and density in healthy women aged 35+ [PMID:31627309]

Evidence DHepatotoxicity (Animal Model)

Leaf extract at a dose of 800 mg/kg showed hepatoprotective effects by reducing elevated serum levels in CCL4-induced hepatic damage rats [PMID:33349967]

Evidence DMetabolic disorders/Obesity (Animal Model)

Acerola by-product reduced body weight, serum lipids, blood glucose, and liver fat accumulation in high-fat diet rats [PMID:36166922]

Evidence DPeriodontitis

Acerola-mediated silver nanoparticles (AgNPs) gel demonstrated effective antimicrobial activity against periodontitis in patients with and without diabetes [PMID:39381541]

Safety & adverse effects

In vitro and in vivo studies using mice blood cells and Wistar rats showed that acerola extracts and juices did not induce DNA damage or cytotoxicity [PMID:23180597, PMID:21503669, PMID:28002591].

Evidence summary

Evidence is primarily based on in vitro studies, animal models (mice/rats), and a limited number of clinical trials focusing on skin health and nanotechnology-based dental applications. Most data support its antioxidant and anti-inflammatory potential.

PubMed sources

1.PMID: 31627309 (2019) — A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study. · Nutrients
2.PMID: 38396766 (2024) — Acerola (Malpighia emarginata) Anti-Inflammatory Activity-A Review. · International journal of molecular sciences
3.PMID: 30150795 (2018) — Acerola, an untapped functional superfruit: a review on latest frontiers. · Journal of food science and technology
4.PMID: 39374107 (2024) — Chromosome-scale genome assembly of acerola (Malpighia emarginata DC.). · DNA research : an international journal for rapid publication of reports on genes and genomes
5.PMID: 32156365 (2020) — Metabolomic analysis of acerola cherry (Malpighia emarginata) fruit during ripening development via UPLC-Q-TOF and contribution to the antioxidant activity.

Malpighia glabra

Sources & Citations

Calculate a safe dose of Malpighia glabra