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Treatments > Supplement Guide > Supplements > Supplement Guide: GLA
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Supplement Guide: GLA

Gamma-Linolenic Acid

Origin: A type of omega-6 fatty acid found in evening primrose oil, black currant oil and borage oil.

Dosage: Capsules or oil; 2 g to 3 g daily.

Claims: Lessens joint pain, stiffness and swelling associated with rheumatoid arthritis. Eases symptoms of Raynaud’s phenomenon and Sjögren’s syndromes.

What we know: Several studies show GLA is an effective treatment for reducing inflammation in rheumatoid arthritis with few side effects. GLA only works if taken orally; there is no evidence that these oils applied topically are effective. It also may regulate the immune system.

Studies: One of the most promising studies was a placebo-controlled trial of 56 patients with active rheumatoid arthritis who received 2.8 g GLA for six months. Participants showed significant improvements related to joint pain, stiffness and grip strength. GLA doses at this level were found to be safe and effective for RA. A 2005 study showed that people with Sjögren’s syndrome who took GLA and linoleic acid had significant improvement in eye discomfort and tear production.

Pamela Daly
06 Jan 2012, 12:18
Has sleepiness been shown as a side effect from taking GLA? I recently started taking it and was very sleepy afterwards.
Pamela Daly
06 Jan 2012, 12:15
Have any studies shown "sleepiness" to be a side effect of taking GLA? I recently started taking GLA and it has been the only new supplement I take. Shortly afterwards, I was so sleepy I had to lie down.
Janine
22 Jun 2011, 06:48
I have been taking primrose for 4 weeks. I have had significant improvement in eye discomfort and tear production. My mouth is no longer so dry...it works! Thanks soo much for the info!
Lori
28 Feb 2011, 22:33
I understand that there is a danger in consuming GLA long term unless supplemented with Omega 3. What does your reserch tell you?
steven moller
18 Feb 2011, 02:47
I am interested in purchasing. Where can you buy it at: capsule or liquid GLA?

Thanks

Steve
Jessica Swendson
03 Dec 2010, 00:58
I have RA and Sjogren's as well. Thanks so much for the inclusion, it is often missed.

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