JYM Supplement Science, Pre JYM®, High-Performance Pre-Workout, Black Cherry, 1.7 lbs (780 g)

My Guarantee

I've taken the decades I've spent in school, the lab, the gym, and the kitchen and distilled them into the very product you hold in your hands. I formulated every JYM Supplement Science product to include the same ingredients at the exact amount I use to reap maximum performance and physique benefits. It's my hope that you, too, will experience similar results.

Jim Stoppani, PhD

Owner - JYM Supplement Science

‡Per serving

As a dietary supplement, mix 1 scoop of Pre JYM™ in 16-24 oz. of water and drink 30-45 minutes before workouts. Initially use 1/2 serving or less to assess tolerance. Once tolerance is assessed, take no more than 1 serving. To avoid sleeplessness, do not consume within 6 hours before bedtime.

For better results, consider using Post JYM Recovery Matrix™ after workouts.

Dextrose, natural and artificial flavors, sucralose, acesulfame potassium, calcium silicate, caramel color, fd&c red #40, fd&c blue #1.

Produced on shared equipment that also produces products that may contain egg, milk, soy, and tree nuts.

Made in the USA with domestic and international ingredients.

Do not use if you are under the age of 18, pregnant or nursing, have any known or suspected medical condition, are taking any prescription or over the counter medications, or sensitive to caffeine. Consult with a qualified healthcare professional before using this or any other dietary supplement. Contains 300 mg of caffeine per serving, the equivalent of approximately 3 cups of coffee. Do not use with any other caffeinated product. Too much caffeine may cause nervousness, irritability, sleeplessness and/or rapid heartbeat. Immediately discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Store at 15-30°C (59-86F°). Protect from heat, light and moisture. Do not purchase if seal is broken.

Consuming this product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.