After our analysis, we came to the conclusion. Muscletech Amino 4XL, SX-7 takes first place in this battle and gets 4.6 VSR. Its rival Source Naturals L-Proline L-Lysine gains 3.4 VSR. The rating was affected in the first place by the price, the cost of 5 grams of amino acids of Muscletech Amino 4XL, SX-7 is $ 0.95 as against $ 1.16 of Source Naturals L-Proline L-Lysine. The serving of Muscletech Amino 4XL, SX-7 contains 4050 mg amino acids as against 2200 mg of Source Naturals L-Proline L-Lysine. At the same time, a serving of Muscletech Amino 4XL, SX-7 costs $ 0.77, and a serving of Source Naturals L-Proline L-Lysine costs $ 0.51.
The Muscletech Amino 4XL, SX-7 composition contains electrolytes in an amount of 2 as against 2 in Source Naturals L-Proline L-Lysine, Muscletech Amino 4XL, SX-7 contains minerals 2 as against 2 in Source Naturals L-Proline L-Lysine.
Also Source Naturals L-Proline L-Lysine contains vitamins in an amount of 1.
Muscletech Amino 4XL, SX-7 has just one flavour, Fruit Punch Explosion. Source Naturals L-Proline L-Lysine has no taste, the manufacturer makes it unflavored.
Muscletech Amino 4XL, SX-7 and Source Naturals L-Proline L-Lysine have only one size, Muscletech Amino 4XL, SX-7 has 9.35 oz and Source Naturals L-Proline L-Lysine has 120 tablet(s).
We recommend buying Muscletech Amino 4XL, SX-7.