We’ve compared Zahler L-Lysine with 21st Century L-Lysine. Zahler L-Lysine wins in this battle and gets 2 VSR. Its competitor 21st Century L-Lysine receives 7.3 VSR. The rating was affected in the first place by the price, the cost of 1000 mg of L-Lysine (L-Lysine HCL) of Zahler L-Lysine is $ 0.26 as against $ 0.08 of 21st Century L-Lysine. One serving of Zahler L-Lysine contains 500 mg L-Lysine (L-Lysine HCL) as against 600 mg of 21st Century L-Lysine At the same time, a serving of Zahler L-Lysine costs $ 0.13, and a serving of 21st Century L-Lysine costs $ 0.05.
Zahler L-Lysine has no taste, the manufacturer makes it unflavored. 21st Century L-Lysine has no taste, the manufacturer produces it unflavored.
Zahler L-Lysine and 21st Century L-Lysine have only one size, Zahler L-Lysine has 60 capsule(s) and 21st Century L-Lysine has 90 tablet(s).
We recommend buying 21st Century L-Lysine.