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Rosehip (Rosa canina)
A standardized powder from the fruit (hips) of the wild dog rose. Its best-evidenced use is mild osteoarthritis pain relief — a meta-analysis of three RCTs found a small-but-real reduction in joint pain. It also delivers vitamin C and anti-inflammatory galactolipids, but effects are modest and most trials were industry-funded.
What the evidence says
Most Rosehip studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from medium-quality meta-analyses and randomised trials published 2005–2019 with a typical study size of 287 participants.
Based on 5 studies · 1 meta-analysis · 1 RCT · 381 total participants
Confidence
ModerateBy outcome
Rosehip has an evidence score of 5/10 — moderate evidence based on 5 indexed studies, including 1 meta-analysis. A standardized powder from the fruit (hips) of the wild dog rose. Its best-evidenced use is mild osteoarthritis pain relief — a meta-analysis of three RCTs found a small-but-real reduction in joint pain. It also delivers vitamin C and anti-inflammatory galactolipids, but effects are modest and most trials were industry-funded. Representative study: PMID 18407528.
The commonly studied dose of Rosehip is 5g daily of standardized rosehip powder (the dose used in the OA trials). Individual needs vary — start at the lower end of the range and adjust based on how you respond.
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Last reviewed June 2026 · evidence from 5 studies · how we score
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.
Rosehip is the fruit of Rosa canina (the wild dog rose), most often sold as a standardized dried powder (e.g. LitoZin) containing a characteristic galactolipid (GOPO) thought to drive its anti-inflammatory action, alongside vitamin C, polyphenols, and carotenoids. The strongest evidence is for osteoarthritis: a 2008 meta-analysis of three randomized placebo-controlled trials (287 patients) found rosehip powder reduced pain with a standardized effect size of 0.37 — a small but statistically significant effect, with roughly twice the chance of responding versus placebo (number-needed-to-treat ~6). Individual RCTs report reduced WOMAC pain and lower rescue-analgesic use. Honest caveats: all three pooled trials were funded by the same manufacturer, the effect is modest, and the meta-analysis authors explicitly called for independent large-scale replication. Mechanistic and preclinical work supports antioxidant and anti-inflammatory activity (COX inhibition, lower CRP, reduced pro-inflammatory cytokines), but rosehip is a symptomatic adjunct, not a disease-modifying treatment.
A specific galactolipid (GOPO) reduces chemotaxis of inflammatory cells and pro-inflammatory mediators in the joint.
Polyphenols inhibit COX-1/2 and 5-LOX and lower pro-inflammatory cytokines and CRP in mechanistic studies — without the gastric/platelet effects of NSAIDs.
Vitamin C, carotenoids, and polyphenols provide radical-scavenging activity relevant to oxidative stress in osteoarthritis.
How Rosehip works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
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5g daily of standardized rosehip powder (the dose used in the OA trials)
Take with food
| Form | Type |
|---|---|
| 🧪Standardized rosehip powder (GOPO-standardized) | Recommended |
| 💊Rosehip extract capsule | Alternative |
The OA evidence is specific to standardized powder; tea or generic powder is not the same as the studied product.
Minimum: 3 weeks
Optimal: 12 weeks
Cycling: Not required
Note: Take with meals; the 5g daily dose can be split across the day.
Dose-response data unavailable. The current published research for Rosehip does not provide sufficient dose-specific outcome data to generate reliable dose-response curves.
Refer to the Dosage & Timing section above for recommended dose ranges based on available evidence.
Small but significant reduction in hip/knee OA pain versus placebo across pooled RCTs.
Some RCTs report reduced need for acetaminophen/NSAID rescue medication.
Benefit is real but small; not a replacement for disease-modifying care, and trials were largely industry-funded.
Be mindful of total vitamin C intake from high-dose rosehip powder.
Culinary amounts are common; supplemental therapeutic doses are not well studied — consult a clinician.
Vitamin C content could theoretically affect anticoagulation; unlike NSAIDs, rosehip does not itself inhibit platelets or the coagulation cascade. Monitor if combining.
Tip: Take with food; reduce dose
Both are used for osteoarthritis through different mechanisms (cartilage substrate vs. anti-inflammatory).
Layered osteoarthritis symptom support.
Boswellia (5-LOX inhibition) complements rosehip's COX/cytokine modulation for joint inflammation.
Broader anti-inflammatory coverage for joint pain.
Both are botanical anti-inflammatories studied for osteoarthritis pain.
Additive anti-inflammatory joint support.
The best time to take Rosehip is with meals. Take it with food. Taken with food to aid tolerability; trials dosed 5g/day, often split.
Rosehip is generally well-tolerated and considered safe for most healthy adults at recommended doses. The most commonly reported side effects are mild GI upset / loose stools. Use caution if any of these apply to you: Known allergy to Rosa species; Caution with high doses of vitamin C in those prone to oxalate kidney stones.
Potent anti-inflammatory resin extract with strong evidence for joint pain, arthritis, and inflammatory conditions.