The attenuating potential of Trévo Dietary Supplement (TDS), a multi-herbal health drink containing 174 ingredients on caffeine-induced sperm toxicities was studied on albino rats. Thirty healthy male albino rats of 12 weeks old were divided into five groups with six rats in each group using a Completely Randomized Design (CRD). The experimental animals were treated with combinations of caffeine and TDS orally. The treatment lasted for 65 days. Results indicated statistically significant (p<0.05) decreases in weight of testes and epididymis, epididymal sperm viability, motility and count in caffeine treated rats. There was a concomitant increase in sperm head abnormalities in caffeine treated rats. However, TDS effectively attenuated the caffeine induced sperm toxicities in albino rat models in a dose dependent manner.

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This study investigated the protecting potential of Aqueous Guava (Psidium guajava) Leaf Extract (AGLE) against caffeine induced spermatotoxicity in albino rat models. Thirty healthy and sexually matured albino rats were divided into five groups of six rats each using a completely randomized design. They were treated with caffeine and AGLE combinations orally for 65 days. The result showed that caffeine significantly (p<0.05) reduced sperm viability, sperm count and sperm motility, while sperm head abnormality increased in caffeine treated rats when compared to the control. However, AGLE significantly (p<0.05) protected the treated albino rat models from caffeine induced spermatotoxicity in a dose-dependent manner. These results show that AGLE is effective in protecting albino rat models against caffeine induced spermatotoxicity in a dose dependent manner.

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Background and Aim: Tramadol is a potent analgesic effective in the treatment of mild to severe pains. However, the use of the drug can pose a threat to other organs and systems. Therefore, this study evaluated the effect of graded doses of tramadol on sperm profile of male albino rats. Materials and Methods: Eighteen male rats were divided into three groups (A, B and C) using completely randomized design (CRD) with six rats in each group. Rats in group A served as the control group and were given just food and water while groups B and C were given tramadol at 50 and 100 mg/kg body weight (BW) respectively, daily for the period of 65 days. The treatment was administered via oral gavage and at the end of the treatments, the rats were sacrificed. Immediately after sacrifice, a puncture was made in the epididymis with a sterile pin and examined for semen pH. The epididymes were processed for epididymal sperm motility, viability, count and sperm head abnormality. Results: There was no significant difference in the weight of testes and semen pH. Sperm viability, sperm motility, sperm count and weight of epididymes significantly reduced (p<0.05) in tramadol treated animals when compared with the control. Results also indicated statistically significant (p<0.05) increase in sperm head abnormalities in rats treated with tramadol when compared with the control. Conclusion: The results obtained from this study reveal that tramadol has negative effects on weight of epididymes, sperm count, sperm viability, sperm motility and sperm head abnormalities in male albino rat as mammalian models in a dose dependent manner.