Materials and Method: Forty bodybuilders of the body weight (±75.7 to 76.8kgs) form different gyms across Bangalore urban district, and they were divided into two groups, Experimental group and placebo group, both the group followed the same exercise routine, but experimental group was given gokshura (Tribulus terrestris) A Common training programme for a period of 12 weeks was formed for all the participants of the study, 70% of their 1rm was initially suggested for the subjects and after 4 weeks of training an increase in 5% of 1RM was prescribed, a pre test of 1 reputation maximum in, Dead lift, bench press, and barbell squat were conducted and recorded. Subjects of the experimental group were advised to take 3gms twice a day with meal, ²/₃ portion of the dose was taken half an hour before work out ad remaining ¹/₃ portion of the dose being taken as post work supplement, After 12 weeks of training post test of 1 reputation maximum was conducted for both the groups and

Statistical techniques: Statistical analysis included calculation of means, SD and the results of the tests were correlated one tailed ‘t’ test was calculated between the pre-test and post-test of both the group.

Results: The results of the study indicated, that experimental group had moderate improvement in their muscle mass for the training schedule prescribed and the food supplement Gokshura (Tribulus terrestris) given as treatment, but the placebo group as compared to experimental group, had relatively less changes in their muscle mass.