Fats & oils
CLA
Names you may see: conjugated linoleic acid safflower oil
The quick take
CLA, or conjugated linoleic acid, refers to a group of fats also found in meat and dairy.
A closer look
What forms will I see on a label?
Supplements provide different mixtures of CLA forms. The weight of an oil blend is not necessarily the amount of CLA.
Why people use it
It is marketed for reducing body fat and supporting body-composition goals.
These are common goals and marketing uses. The evidence section below explains what research supports.
What does the evidence tell us?
Research suggests any average reduction in body weight or fat is small. It should not be expected to produce major fat loss or replace nutrition and training.
What should I know before using it?
Digestive upset, constipation or diarrhea can occur. Check suitability with a clinician if you have diabetes or other metabolic conditions.
Sources & further reading
NIH ODS — CLA and weight management ↗
Content reviewed: September 30, 2026
General educational information. Follow the product label and seek individual advice when needed.