Muscle Strength Dietary Supplement Discussion: STS Amino 2200 dietary supplement gives you 20 variations of amino acids in their isolated form for maximum balance and maximum absorption. STS brings you protein in its Absorption Ready form as amino acids. Having you supplement in its Absorption Ready form means a higher percentage of supplement utilization. Once STS amino acids are in your system they are made available to be used as the building blocks that your muscles need during and after resistance training. Each serving (3 tablets) supplies you with 20 natural-occurring essential and non-essential amino acids.