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ZLZ Peptide
Manufacturer with inconsistent lot quality.
ChinaEstablished 201932 compounds covered
C
Okay
Overall grade across 158 samples
94.8%
Average purity
92%
Average of label dose
158
Samples tested
Results by compound
CompoundPurityOf labelGrade
Semaglutide97.1%93.6%B GoodCJC 129596.4%95.4%B GoodTesamorelin96.8%92.8%B GoodGHRP 298.1%91.7%B GoodNAD plus97.6%94.9%B GoodHumanin96.7%92.9%B GoodMelanotan II97.9%92.6%B GoodPT 14199%92.2%B GoodKisspeptin 1098.5%93.6%B GoodSelank95%98.5%B GoodDSIP97.5%95.9%B GoodFollistatin 34494.9%94.7%B GoodTirzepatide90.8%93.7%C OkayRetatrutide97.7%90.3%C OkayCagrilintide91.5%93.7%C OkaySurvodutide91.3%93.4%C OkayBPC 15797.2%88.2%C OkayTB 50090.8%94.7%C OkaySermorelin90.5%97.4%C OkayGHRP 695.6%91.9%C OkayHexarelin95%88.7%C OkayMOTS c93.8%92.5%C OkayEpitalon93.1%91%C OkayThymosin Alpha 196.7%90.7%C Okay5 Amino 1MQ98.5%87.1%C OkayMazdutide91.7%86.4%D PoorGHK Cu90.6%86.5%D PoorIpamorelin92.2%89.5%D PoorSS 3193.1%88.9%D PoorSemax94.2%86.8%D PoorAOD 960490.6%92%D PoorIGF 1 LR391.7%91%D Poor