Signature Amino Boost
Amino Boost contains 8.5g branched-chain amino acids (BCAAs), which are building blocks of protein, in a 3:1:1 ratio of L-Leucine, Iso-Leucine, and L-Valine. We’ve also included caffeine, green tea extract, and electrolytes. It’s perfect during all stages of your gym session: Pre-, intra-, and post-workout. 
- 8.5g BCAAs
- 100mg green tea extract
- 100mg caffeine 
1Caffeine helps to increase alertness and to improve concentration. Do not exceed a daily intake of 300 mg of caffeine.
Caffeine contributes to an increase in endurance performance. The beneficial effect is obtained with caffeine consumption at doses of 3 mg/kg body weight at least one hour prior to exercise and only if any other caffeine consumption is avoided for at least 12 hours prior to consumption of the product in habitual caffeine consumers.
A signature is a promise. A symbol of your identity. Your mark on the world. In 1999, Bodybuilding.com was founded on a single promise: Trust. It’s who we are and it’s in our blood. Our Signature line is built on the same promise. Every product is transparent, filler-free, and formulated with high-quality ingredients you can trust. We create the highest calibre supplements, so you can focus on leaving a mark of your own.
We’re proud to share with you what goes into each of our Signature products. We don’t hide anything in a “proprietary blend”, so you always know exactly what you’re putting into your body.
WHAT'S IN IT
High-quality ingredients are what you need to help you achieve your fitness goals. That’s what you’ll find in Signature products because that’s what works.
Some supplement brands add a sprinkle of an ingredient just so they can say it’s in their product. We never play games when it comes to formulating the best products we can give you.
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What's in Bodybuilding.com Signature Signature Amino Boost
Directions For Signature Amino Boost: Mix 15g (one slightly heaped scoop) in 300ml water.
Warnings: Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a varied diet and a healthy lifestyle. Keep out of the reach of children. Once mixed keep chilled and consume within 3 hours. Store in a cool, dry place.
Food Supplement with Caffeine and Sweeteners. Contains caffeine (100mg/ per serving), not recommended for children or pregnant women.
Signature Amino Boost is suitable for Vegetarians and Vegans.
Colour additive: Carmoisine (E122) may have an adverse effect on activity and attention in children
Manufactured in the UK for: Bodybuilding.com (UK) Ltd., Units 7-8 Foster Avenue, Dunstable, Bedfordshire, LU5 5TA.