Ingredient guide
Rosehip is the fruit of the rose plant, rich in vitamin C and plant compounds. Standardised rosehip powder has shown modest help with osteoarthritis joint pain in trials, though the effect does not seem to come from its vitamin C.
Limited evidenceRosehip is the round fruit left behind after a rose blooms. It is one of the richest plant sources of vitamin C, which made it a wartime tonic when citrus was scarce. As a supplement it is now used mainly as a standardised powder for joint comfort.
Interestingly, the joint benefit does not seem to come from its famous vitamin C. Researchers point instead to a fat-like compound called a galactolipid, which appears to calm the body's normal recovery processes in the joints. The vitamin C and other antioxidants likely play a supporting role at most.
The joint evidence is modest but real. Reviews of trials report that standardised rosehip powder eases osteoarthritis pain and stiffness more than placebo, with people roughly twice as likely to report improvement. A common dose is around 5 g of powder per day over a few months.
The caveats are honest ones. The trials are not large, much of the work centres on a single standardised product, and one reanalysis questioned how clear the separation from placebo really was. We grade the evidence as limited but promising for joints, with a good safety record at moderate doses.
For joints, studies use around 5 g of standardised rosehip powder per day, often stirred into food or taken in capsules over several months. Choose a standardised product, since active content varies. If you take blood-thinning medicine, check with your healthcare provider before regular use.
Joint trials commonly use about 5 g of standardised rosehip powder per day, sometimes higher. Doses up to 5 g per day for three months were well tolerated in studies. Higher amounts can upset the stomach. Ask your healthcare provider before regular use if you take medication.
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Apparently not. Researchers link the effect to a fat-like compound called a galactolipid, not to its vitamin C content.
Joint trials commonly use about 5 g of standardised powder per day for a few months. Higher amounts can upset the stomach.
It is generally well tolerated at moderate doses. Check with a provider if you take blood-thinning medicine, given its vitamin C and plant compounds.