Pre-Workout Supplement
Pre JYM excels in label transparency and key doses like 6g citrulline malate (Examine.com 6-8g, RCTs show 10-15% rep increases) and 300mg caffeine (ISSN 3-6mg/kg, meta-analyses of 50+ RCTs for endurance/strength). Beta-alanine 2g and betaine 1.5g provide moderate support (ISSN beta-alanine 40+ RCTs; betaine 10+ RCTs for power), but creatine HCl 2g below optimal 5g monohydrate equivalent (700+ creatine RCTs). Safety high with no product-specific issues; general MIPS safe per PubMed reviews. Quali
Pre JYM is a solid transparent pre-workout with strong evidence for citrulline, caffeine, and beta-alanine at near-optimal doses per Examine.com and ISSN stands. Lacks third-party certifications and has suboptimal creatine/BCAA efficacy. Good for experienced users tolerant to 300mg caffeine.