--- product_id: 296237403 title: "JYM Pre Workout, Rainbow Sherbet - Creatine HCI, Caffeine - 28.6 Oz | Alpha GPC, Beta-Alanine, Energy & Endurance Support, Preworkout Drink Mix for Men & Women, 30 Servings" brand: "jym supplement science" price: "¥20462" currency: JPY in_stock: true category: "Jym Supplement Science" url: https://www.desertcart.jp/products/296237403-jym-pre-workout-rainbow-sherbet-creatine-hci-caffeine-28-6 store_origin: JP region: Japan --- # 300mg Caffeine for sustained energy 6g Citrulline Malate for muscle pump 1500mg L-Tyrosine for mental focus JYM Pre Workout, Rainbow Sherbet - Creatine HCI, Caffeine - 28.6 Oz | Alpha GPC, Beta-Alanine, Energy & Endurance Support, Preworkout Drink Mix for Men & Women, 30 Servings **Brand:** jym supplement science **Price:** ¥20462 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your grind with science-backed power and flavor! ## Quick Answers - **What is this?** JYM Pre Workout, Rainbow Sherbet - Creatine HCI, Caffeine - 28.6 Oz | Alpha GPC, Beta-Alanine, Energy & Endurance Support, Preworkout Drink Mix for Men & Women, 30 Servings by jym supplement science - **How much does it cost?** ¥20462 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/296237403-jym-pre-workout-rainbow-sherbet-creatine-hci-caffeine-28-6) ## Best For - jym supplement science enthusiasts ## Why This Product - Trusted jym supplement science brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stay Laser Focused:** 1500mg L-Tyrosine and Alpha-GPC keep your mind sharp and locked in 🧠 - • **Maximize Muscle Pumps:** 6g Citrulline Malate and 500mg Beet Root Extract boost blood flow for insane pumps 💪 - • **Unleash Explosive Energy:** 300mg caffeine powers your workouts without jitters or crashes ⚡ - • **Delicious Rainbow Sherbet Flavor:** Enjoy every scoop with a refreshing, crave-worthy taste that makes pre-workout a ritual - • **Scientifically Engineered Formula:** 14 research-backed ingredients designed for peak performance and endurance ## Overview JYM Pre Workout Rainbow Sherbet is a premium 30-serving powder featuring 14 clinically researched ingredients including 300mg caffeine, 6g Citrulline Malate, and 1500mg L-Tyrosine. Designed to deliver sustained energy, enhanced muscle pumps, and razor-sharp mental focus, this formula supports both men and women in maximizing workout performance without jitters or crashes. Packaged in a convenient jar, it combines science and flavor for an unbeatable pre-workout experience. ## Description Pre JYM pre workout powder - BCAAs, Creatine HCI, Citrulline Malate, beta-alanine, Betaine, and more JYM Supplement Science Rainbow Sherbet, 30 servings ## Features - HIGH PERFORMANCE PRE-WORKOUT POWDER: Pre JYM pre-workout formula features 14 research-backed ingredients for maximum energy support, endurance, & muscle pump performance for men & women - SUSTAINED ENERGY SUPPORT: Formulated with 300mg Caffeine, 6g Citrulline Malate, 500mg Beet Root Extract & 1.5g Betaine to support sustained energy without crashes or jitters during your gym workout - PROMOTES MENTAL FOCUS: Includes 1500mg L-Tyrosine, 150mg Alpha-GPC & 50mcg Huperzine A to support enhanced mental focus & drive so you can stay locked in and perform throughout every training session - SUGGESTED USE: Mix 1 scoop in 16-24 oz of water and drink 30-45 minutes before workouts. Initially use 1/2 serving to assess tolerance. To avoid sleeplessness, do not consume within 6 hours of bedtime - ABOUT JYM SUPPLEMENT SCIENCE: JYM Supplement Science is built on three things: Real Science, Real Solutions, and Unreal Results. We take science and turn it into results that change people's lives ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08ZT1QZ5F | | ASIN | B08ZT1QZ5F | | Age Range Description | Adult | | Best Sellers Rank | #5,900 in Health & Household ( See Top 100 in Health & Household ) #25 in Sports Nutrition Pre-Workout Powders | | Brand Name | JYM Supplement Science | | Color | 30 Servings | | Container Type | Jar | | Customer Reviews | 4.6 4.6 out of 5 stars (581) | | Date First Available | June 2, 2021 | | Dosage Form | Powder | | Flavor | Rainbow Sherbet | | Item Dimensions | 5 x 5 x 6.5 inches | | Item Form | Powder | | Item Highlight | Alpha GPC, Beta-Alanine, Energy & Endurance Support, Preworkout Drink Mix for Men & Women, 30 Servings | | Item Weight | 1.8 pounds | | Item model number | PRE30RS300 | | Manufacturer | AmazonUs/JYMSU | | Manufacturer | AmazonUs/JYMSU | | Manufacturer Part Number | PRE30RS300 | | Model Name | Science Pre JYM- Pre Workout Powder | | Model Number | PRE30RS300 | | Number of Items | 1 | | Primary Supplement Type | pre workout | | Product Benefits | Muscle Growth | | Product Dimensions | 5 x 5 x 6.5 inches; 1.8 pounds | | Recommended Uses For Product | Muscle Growth | | Total Servings Per Container | 30 | | UPC | 817047022410 | | Unit Count | 30 Count | ## Product Details - **Age Range (Description):** Adult - **Brand:** JYM Supplement Science - **Flavor:** Rainbow Sherbet - **Item Form:** Powder - **Item Weight:** 1.8 pounds - **Item dimensions L x W x H:** 5 x 5 x 6.5 inches - **Package Information:** Jar - **Primary Supplement Type:** pre workout - **Product Benefits:** Muscle Growth - **Unit Count:** 30 Count ## Images ![JYM Pre Workout, Rainbow Sherbet - Creatine HCI, Caffeine - 28.6 Oz | Alpha GPC, Beta-Alanine, Energy & Endurance Support, Preworkout Drink Mix for Men & Women, 30 Servings - Image 1](https://m.media-amazon.com/images/I/71pfNDgTbzL.jpg) ## Available Options This product comes in different **Flavor** options. ## Questions & Answers **Q: how does this compare to Pre Kaged?** A: Both work the same pre jym taste a bit better to me. **Q: How much caffeine per scoop?** A: 300mg **Q: Mine did not come with a outter seal, is that how they come? I noticed the one in the picture had one but my bottle is shaped diff** A: Mine came with a outter seal. **Q: How mutch creative hcl is in it** A: I assume you mean creatine? If so, there are 2 grams per serving. ## Frequently Bought Together - JYM Supplement Science Pre JYM Rainbow Sherbet Pre Workout Powder for Men & Women, BCAAs, Nootropics, Creatine HCI, Citrulline, Beta-Alanine, Betaine, Taurine, Huperzine, 30 Servings - JYM Supplement Science Post JYM Active Matrix Rainbow Sherbet Amino Recovery Powder Pure Creatine HCL, BCAA’s, Glutamine, Carnitine, Betaine, Taurine for Strength, Repair, Performance 30 Servings - ZMA JYM, Zinc & Magnesium Supplement - Zinc, Magnesium and Vitamin B6, YM Supplement Science, 90 Vegetarian Capsules --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/296237403-jym-pre-workout-rainbow-sherbet-creatine-hci-caffeine-28-6](https://www.desertcart.jp/products/296237403-jym-pre-workout-rainbow-sherbet-creatine-hci-caffeine-28-6) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-08*