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Extreme Caffeine is a highly thermogenic, pre-workout stimulator that contains 200mg of the highest-quality natural caffeine available. Caffeine has been clinically shown in numerous studies to deliver significant boosts in energy and increase resting energy expenditure, time to exhaustion and cellular thermogenesis. It also enhances muscle metabolism and significantly increases performance. Extreme Caffeine is further supercharged with 250mg of L-Tyrosine for added focus and performance enhancement, and 200mg of calcium. Put the full value of pure, high-powered caffeine to work for you with Extreme Caffeine from ProSource.
Use as directed with a sensible nutrition and exercise program. Read and follow all product label instructions and warnings thoroughly before use. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
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Use as directed with a sensible nutrition and exercise program. Read and follow all product label instructions and warnings thoroughly before use. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. |
At 63, I’ve been a customer of ProSource for decades. I first discovered their ad in a Muscle & Fitness magazine in the 90s. They are the best company I’ve ever bought from, offering ultra-quality grade supplements at a great price. Their products always felt like the purest and most unadulterated grade available. The best impression I got from them was when a high-dollar shipment of mine was lost by the shipper. I called them, and they had my product sent to me overnight! While they may or may not actually be a family-run business, they gave me the feeling that they are — and that I was part of their family. And oh yeah, their Extreme Caffeine continues to be a staple of my daily supplementation. Thank You for the many years of excellent supplements, ProSource! ~ Jim Gossard
These are my husband’s favorite caffeine pills to avoid extra fluid of energy drinks!
They help stay awake and don’t make you jittery
Best caffeine pills to buy at good prices!
I've been purchasing from you guys for 12 years now. You never disappoint with your products. My last purchase of creatine was a surprise. It's now micronized which is giving me awesome results. And the extreme caffeine is bar none when it comes to sustained alertness. I will continue to use your products and recommend them to friends as well as clients.
