D-mannose is a simple sugar found in many fruits. It is related to glucose. It also occurs naturally in some cells in the human body.
Other names for D-mannose are:
Rosehip powder might help lessen pain due to osteoarthritis. The supplement has been tested in many people with osteoarthritis of the hip, knee, hand, shoulder, neck, and other areas.
A review of studies shows that people who took the supplement had less pain after three months compared to a placebo (dummy pill).
Some doctors think rosehip might be an alternative to nonsteroidal anti-inflammatory drugs (NSAIDs). Unlike NSAIDs, rosehip does not appear to thin the blood or cause stomach irritation and possible ulcers. More thorough research is needed, though.
A few studies show that rosehip may also help people with long-term back pain and rheumatoid arthritis (RA). However, studies on RA are conflicting. A small study shows that rosehip supplements do not affect RA pain.
Fresh rosehips have more vitamin C than citrus fruits. However, a lot of that vitamin C is destroyed during drying and packaging. Many people take rosehip powder or fruit juice to try to boost their immune system and to try to treat or prevent colds.
Animal studies hint that a daily drink containing about 40 grams of rosehip powder may also:
How much rosehip you might take depends on the disease or condition you want to treat or prevent. Usually, you place 2 to 2.5 grams of rosehip powder in 150 milliliters of boiling water, and drink it as a tea. However, some studies have mixed the powder into apple juice.
Rosehip may also come in capsule form.
Can you get rosehip naturally from foods?
You cannot get rosehip naturally in foods. Rosehip comes from a certain wild rose. However, rosehip may be added to some jams, jellies, and teas.
What are the risks of taking rosehip?
Rosehip is generally considered safe when taken by mouth and used as directed.
Always tell your doctor about any supplements you are taking, including natural ones and those bought without a prescription. That way, your doctor can check on any potential side effects or interactions with any medications. Rosehip may also interfere with certain blood tests.