Our aim was to assess the effects of a hypocaloric diet, including diet fruit jelly with microencapsulated fish oil or conjugated linoleic acid or placebo, on anthropometry, body composition, insulin resistance and lipid profile in women with metabolic syndrome and genotype Pro12Pro in the PPAR gamma 2 gene.

Inclusion Criteria:

• adults women (30-45 years old);
• diagnosis of metabolic syndrome, as defined by the International Diabetes Federation;
• Pro12Pro genotype in gene PPARγ2.

Exclusion Criteria:

Participants were excluded if they:

• Were allergic to strawberries or fish
• Were pregnant or lactating
• Took fatty acid supplements
• Had undergone bariatric surgery or were being treated nutritionally or pharmacologically for reducing BM, or had taken anti-obesity drugs during the previous three months