Rose Hip Extract
A botanical extract from the pseudo-fruit of Rosa canina rich in vitamin C, galactolipids, and polyphenols, clinically demonstrated to reduce joint pain and inflammation in osteoarthritis with additional benefits for skin aging and immune support.
Overview
Rose hip extract is derived from the pseudo-fruits (hips) of various Rosa species, most commonly Rosa canina (dog rose), which develop after flowering and are among the richest natural sources of vitamin C — containing 20-40 times more than oranges per weight. However, rose hip's therapeutic profile extends well beyond its vitamin C content. The extract contains a unique galactolipid called GOPO (galactolipid composed of a glycerol backbone with galactose and fatty acid moieties) that has emerged as its primary anti-inflammatory active compound, along with carotenoids (lycopene, beta-carotene, lutein), polyphenols (including proanthocyanidins and ellagic acid), vitamin E, and essential fatty acids (particularly alpha-linolenic acid from seed oil). This diverse phytochemical profile produces a multi-mechanistic anti-inflammatory and antioxidant preparation.
The strongest clinical evidence for rose hip extract centers on osteoarthritis management. A series of randomized, double-blind, placebo-controlled trials using a standardized rose hip powder (typically 5 grams/day) have demonstrated statistically significant reductions in joint pain, stiffness, and disability scores (WOMAC index) in patients with hip and knee osteoarthritis. A meta-analysis of these trials confirmed consistent pain reduction and improvement in joint function, with effects becoming apparent after 3-4 weeks of daily use. The anti-inflammatory mechanism involves GOPO-mediated inhibition of neutrophil chemotaxis and reduction of C-reactive protein (CRP), combined with suppression of COX-1, COX-2, and NF-kB inflammatory pathways. Notably, rose hip extract appears to achieve these effects without the gastrointestinal side effects associated with conventional NSAIDs, making it suitable for long-term use.
Rose hip extract has also demonstrated benefits for skin health and aging. Clinical studies have shown improvements in skin moisture, elasticity, and wrinkle depth with oral supplementation, attributed to its high antioxidant content protecting against UV-induced photoaging and its vitamin C supporting collagen synthesis. The carotenoid content contributes additional photoprotective effects. Cardiovascular benefits have been observed, including reductions in systolic blood pressure, total cholesterol, LDL cholesterol, and cardiovascular risk scores in overweight subjects. Rose hip extract complements other joint health compounds including glucosamine, chondroitin, MSM, and curcumin, and pairs well with vitamin C and collagen peptides for comprehensive skin and connective tissue support. Standardized extracts ensure consistent levels of GOPO and other active compounds across batches.
Mechanism of Action
Rose hip extract (from Rosa canina) exerts its anti-inflammatory and chondroprotective effects through a unique galactolipid compound known as GOPO (galactolipid (2S)-1,2-di-O-[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyl]-3-O-β-D-galactopyranosyl glycerol), along with a rich profile of vitamin C, carotenoids, and polyphenols. GOPO inhibits chemotaxis of human peripheral blood neutrophils and monocytes, reducing immune cell migration to sites of inflammation (Larsen et al., Journal of Natural Products 2003). In macrophages and peripheral blood leukocytes, rose hip extract and GOPO inhibit nitric oxide (NO) and prostaglandin E2 (PGE2) production by suppressing iNOS and COX-2 expression.
In chondrocyte models, rose hip extract reduces catabolic gene expression critical to cartilage destruction in osteoarthritis, including matrix metalloproteinases MMP-1, MMP-3, and MMP-13, as well as ADAMTS-4 (aggrecanase-1). It simultaneously reduces inflammatory chemokine production (CCL5/RANTES, CXCL10/IP-10, MIP-2, MIP-3α) and cytokines (IL-1α, IL-6, IL-8), protecting cartilage matrix from degradation (Schwager et al., BMC Complementary and Alternative Medicine 2011). The anti-inflammatory mechanism involves inhibition of NF-κB nuclear translocation and suppression of p38 MAPK phosphorylation. The high vitamin C content supports collagen biosynthesis, while carotenoids (lycopene, beta-carotene) and polyphenols (tiliroside, quercetin) provide additional antioxidant protection by scavenging ROS and enhancing endogenous antioxidant enzyme activity. Clinical trials have demonstrated that rose hip powder reduces osteoarthritis pain and stiffness, with effects attributed to the synergistic action of GOPO, polyphenols, and ascorbic acid on multiple inflammatory and catabolic pathways.
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Research
Reported Effects
Synergistic Use:: Most effective when combined with vitamin C (typically 1000mg vitamin C with rose hips), appearing in well-reviewed supplement stacks without standalone use being common. Dose-Dependent Response:: Animal studies show clear benefits at 100mg/kg body weight; human studies use varying doses from 500mg to several grams daily with positive metabolic outcomes. Preventive Benefits:: Strongest evidence for preventing prediabetic progression, reducing inflammation markers, and supporting cardiovascular health rather than treating acute conditions. Long-term Safety:: Consistently well-tolerated in studies lasting weeks to months with no significant adverse effects reported at therapeutic doses
- Most effective when combined with vitamin C (typically 1000mg vitamin C with rose hips), appearing in well-reviewed supplement stacks without standalone use being common
- Animal studies show clear benefits at 100mg/kg body weight; human studies use varying doses from 500mg to several grams daily with positive metabolic outcomes
- Strongest evidence for preventing prediabetic progression, reducing inflammation markers, and supporting cardiovascular health rather than treating acute conditions
- Consistently well-tolerated in studies lasting weeks to months with no significant adverse effects reported at therapeutic doses
Safety Profile
Safety Profile: Rose Hip Extract
Common Side Effects
- Gastrointestinal symptoms: nausea, diarrhea, constipation, heartburn, and stomach cramps
- Headache
- Mild allergic reactions in individuals sensitive to Rosaceae family plants (roses, apples, cherries)
- Increased urination due to mild diuretic effect
- Sleep disturbances at high doses
Serious Adverse Effects
- Rare anaphylactic reactions in individuals with severe Rosaceae allergy
- Kidney stones: High vitamin C content (rose hip is one of the richest natural sources) may increase oxalate excretion and kidney stone risk
- May elevate iron absorption excessively in individuals with hemochromatosis
- Rare reports of GI obstruction from the seed hairs (trichomes) in improperly processed products
Contraindications
- History of calcium oxalate kidney stones
- Hemochromatosis or other iron overload conditions
- Known allergy to Rosa canina or Rosaceae family
- Sickle cell disease (high vitamin C can paradoxically worsen sickling in some cases)
Drug Interactions
- Warfarin: High vitamin C may reduce warfarin efficacy; monitor INR
- Lithium: Diuretic effect may alter lithium levels
- Aluminum-containing antacids: Vitamin C increases aluminum absorption
- Estrogen-containing medications: High vitamin C may increase estrogen levels
- Iron supplements: Enhanced iron absorption may cause iron overload in susceptible individuals
Population-Specific Considerations
- Osteoarthritis patients: Most studied indication; generally well tolerated at 5–10 g/day of standardized powder
- Pregnancy: Traditional use generally considered safe; vitamin C content should be factored into total daily intake to avoid exceeding UL
- Renal impairment: Caution due to vitamin C-oxalate pathway; monitor kidney function
- Diabetics: May mildly lower blood glucose; monitor accordingly
Pharmacokinetic Profile
Quick Start
- Typical Dose
- Typically found in 1000mg vitamin C supplements with 25-50mg rose hip extract for immune support and antioxidant benefits
Safety Profile
Common Side Effects
- Minimal Adverse Effects:: Very few side effects reported in both research studies and user experiences, suggesting excellent safety profile
- Digestive Tolerance:: Well-tolerated even in combination with multiple other supplements; no GI distress commonly reported unlike some vitamin C formulations
- No Drug Interactions:: Users taking rose hip in complex supplement stacks report no obvious interactions or contraindications with other compounds
- Long-term Safety:: Studies spanning weeks to months show sustained benefits without development of tolerance or emerging side effects
References (8)
- [2]Rose hip inhibits chemotaxis and chemiluminescence of human peripheral blood neutrophils in vitro and reduces certain inflammatory parameters in vivo
→ Daily intake of rose hip powder reduced chemotaxis of peripheral blood neutrophils and lowered serum creatinine and C-reactive protein levels in healthy subjects, demonstrating anti-inflammatory properties.
- [3]Dietary rose hip exerts antiatherosclerotic effects and increases nitric oxide-mediated dilation in ApoE-null mice
→ Rose hip supplementation reduced atherosclerotic plaque formation, lowered plasma cholesterol, and increased nitric oxide-mediated arterial dilation in mice fed a high-fat diet.
- [4]Effects of rose hip intake on risk markers of type 2 diabetes and cardiovascular disease: a randomized, double-blind, cross-over investigation in obese persons
→ Rose hip supplementation in obese individuals showed potential benefits for metabolic and cardiovascular risk markers through modulation of inflammatory and metabolic pathways.
- [5]Daily intake of rosehip extract decreases abdominal visceral fat in preobese subjects
→ Rosehip extract supplementation at 100mg/kg body weight demonstrated anti-obesity effects by reducing visceral fat accumulation and body weight gain in animal and human studies.
- [6]The anti-inflammatory properties of rose-hip
→ Rose hip extract reduced chemotaxis of neutrophils and monocytes in vitro and lowered serum CRP levels after four weeks of daily supplementation in patients with osteoarthritis and healthy volunteers.
- [7]Rose hip exerts antidiabetic effects via a mechanism involving PPARα and oxidative stress modulation
→ Rose hip powder prevented obesity and improved glucose tolerance in mice on a high-fat diet through mechanisms involving PPAR-α activation and reduction of hepatic lipid accumulation.
- [8]Therapeutic Applications of Rose Hips from Different Rosa Species
→ Comprehensive review documenting rose hip's traditional uses and pharmacological effects including antioxidant, anti-inflammatory, antimicrobial, and metabolic benefits based on its phytochemical composition.
- [1]Anti-prediabetic effect of rose hip (Rosa canina) extract in spontaneously diabetic Torii rats
→ Rose hip extract at 100mg/kg daily for 12 weeks improved impaired glucose tolerance, promoted insulin secretion, preserved pancreatic beta-cell function, and suppressed advanced glycation end-products formation in prediabetic rats.
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