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News - Clinical Trial Supports CLA’s Weight Loss Effects

By Holly Taylor BSc (Hons) DipCNM MBANT NTCC

CLA is a fatty acid naturally present in grass-fed meat and dairy products, but the current trend for intensive farming and low-fat dairy products means that the average intake of CLA has fallen. The downside is that CLA has some useful weight loss effects. However, a new study published in the journal Nutrition suggests that daily supplements of CLA (conjugated linoleic acid) may bridge the gap by reducing body weight and body fat levels in obese people.

The new study involved 63 obese subjects randomly assigned to receive daily supplements of CLA (1.7 grams) or a dummy product for 12 weeks. Changes in body composition were determined by bio impedance analysis and the participants’ body weight and waist-to-hip ratios were also measured.

Results showed that 12 weeks of supplementation produced decreases in measures of body composition, body weight and waist-to-hip ratio compared with values at the start of the study. The participants in the CLA group displayed average decreases in body weight of 0.7 kg, reductions in BMI of 0.31 kg/m2, body fat mass decreases of 0.58 kg, and fat percentage decreases of 0.6%. Results were even more striking when the researchers focused on people with BMIs greater than 27 kg/m2.

In their concluding remarks the researchers state: “Supplementation of CLA for 12 weeks in overweight and grade I obese… the subjects yielded lower obesity indices, with no obvious adverse effects. ”  

Article References

Chen SC et al. Effect of conjugated linoleic acid supplementation on weight loss and body fat composition in a Chinese population. Nutrition. 2012 Jan 18

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