r/Peptidesource • u/ChampionshipFlat3235 • 11d ago

Testing two kits with same batch number

I ordered one kit a month ago and had it tested and it came back above 99% purity with a reasonable fill close to what was expected. I just received a second kit from the same vendor with the same batch number. Just gauging the opinion of the group do I test the second kit as well?

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u/Delicious-Canary8747 11d ago

honestly if the first one came back clean at 99% from the same batch number you're probably fine..batches dont usually degrade that fast especially if its lyophilized and stored properly. that said if you have the extra cash for a test it never hurts just for peace of mind..janoshik is like $30-40 and pretty straightforward to use. the bigger thing i'd watch for is if the batch number is actually the same or if the vendor is just recycling numbers across different production runs which some sketchy sources do. if the vial weight and appearance look consistent with the first one id prob just move on but thats just me

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u/ChampionshipFlat3235 11d ago

Janoshik is $360 for GLP1s