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Pomegranate

A polyphenol-rich fruit extract with modest, real evidence for blood pressure and oxidative stress — and a short list of meaningful drug interactions worth knowing.

Last reviewed: May 16, 2026 · Reviewed by: Nutrient Wise Research Team

What it is

Pomegranate (Punica granatum) is a fruit native to the Middle East and South Asia. As a supplement, it comes mainly in three forms: standardized fruit extracts, juice concentrates, and seed oil. The active compounds people care about are punicalagins, ellagic acid, and anthocyanins — a polyphenol family with documented antioxidant and anti-inflammatory activity.

How it works

Punicalagins are converted by gut bacteria into urolithins, which appear to be the primary metabolites doing the biological work. Urolithin A in particular has shown effects on mitochondrial health and inflammatory markers in human studies. Pomegranate polyphenols also appear to inhibit angiotensin-converting enzyme (ACE) modestly — the same target as ACE inhibitor blood pressure medications.

Evidence-backed uses

• Blood pressure: A 2017 meta-analysis of 8 RCTs found pomegranate juice (about 240 mL/day) lowered systolic blood pressure by roughly 4–5 mmHg. Effect is small but consistent.
• Oxidative stress and inflammation: Multiple trials show reductions in malondialdehyde and CRP. Effect size moderate; population mostly studied in metabolic syndrome.
• Exercise recovery: Some evidence for reduced muscle soreness in resistance-trained adults with pomegranate extract (around 1,000 mg/day).

Dosage

Most clinical trials use either 240–500 mL of pomegranate juice per day or 500–1,000 mg of standardized extract (usually standardized to 30–40% punicalagins). Lower doses (250 mg extract) show measurable but smaller effects. There is no recognized therapeutic ceiling; doses above 1,500 mg/day have not been shown to add benefit.

Forms and bioavailability

Juice and whole-fruit extracts deliver punicalagins; the body converts them to urolithins via gut bacteria, and individual response varies a lot (estimated 30–40% of people are “low producers” of urolithin A). Standardized extracts give a more predictable polyphenol dose than juice, which can vary by brand, processing, and dilution. Seed oil is a different product (rich in punicic acid) and is not interchangeable.

Drug interactions

Pomegranate has at least three clinically relevant interactions:

• ACE inhibitors (lisinopril, enalapril, ramipril): additive blood-pressure-lowering effect. Not dangerous in most adults but worth monitoring.
• Statins: pomegranate juice inhibits the CYP3A4 enzyme similarly to grapefruit. May raise levels of atorvastatin, simvastatin, lovastatin. Cases of rhabdomyolysis have been reported with simvastatin + pomegranate juice.
• Warfarin: case reports of increased INR with pomegranate juice. Talk to your prescriber before adding regular consumption.

The Nutrient Wise app checks pomegranate against the medications you take and warns you before you scan a supplement that could interact. Download the app to enable Stack Checker.

Supplement interactions

Pomegranate stacks well with most antioxidant-style supplements. There are no major conflicts with vitamin C, CoQ10, or omega-3s. Pairing it with other blood-pressure-lowering supplements (beetroot, hibiscus, magnesium) may produce additive effects; if you already run low blood pressure, watch for symptoms of hypotension.

Side effects and safety

Generally well tolerated. The most common side effect is mild stomach upset, especially from concentrated extracts taken on an empty stomach. Rare allergic reactions occur in people sensitive to other fruits in the same group (figs, mulberries). Very high doses of seed oil have been associated with diarrhea.

Who should avoid it

• People taking simvastatin, lovastatin, or atorvastatin without first asking their prescriber.
• People on warfarin (talk to your prescriber first).
• People with already-low blood pressure or on multiple antihypertensives.
• Pregnant and breastfeeding people (insufficient safety data on concentrated extracts; whole fruit and small amounts of juice are fine).

The bottom line

Pomegranate is one of the better-studied fruit-derived supplements. The blood pressure and antioxidant evidence is real but modest — expect small, additive benefits, not a transformation. If you take blood pressure medication, a statin, or warfarin, treat pomegranate as a real pharmacological agent and check with your prescriber. For most healthy adults, 240–500 mL of juice or 500 mg of standardized extract daily is a reasonable starting point.

Medical disclaimer: This page is informational, not medical advice. Talk to a licensed healthcare provider before starting any supplement, especially if you take medications or have a chronic condition. See our privacy policy for how we handle your data inside the app.

Sources

1. Sahebkar A, et al. “Effects of pomegranate juice on blood pressure: A systematic review and meta-analysis of randomized controlled trials.” Pharmacological Research, 2017.
2. Espin JC, et al. “Biological significance of urolithins, the gut microbial ellagic acid-derived metabolites: the evidence so far.” Evidence-Based Complementary and Alternative Medicine, 2013.
3. Sorokin AV, et al. “Rhabdomyolysis associated with pomegranate juice consumption.” American Journal of Cardiology, 2006.