Difference between u-hCG and r-hCG?

pengpent

New Member
I've been using Ovitrelle (r-hCG) for the last 6 months and because of supply shortages, switched to u-hCG recently (from a source on this board). The u-hCG causes me significant gyno and high E2 symptoms and I was wondering if anyone has an idea why? Is it related to purity or different composition?

Additionally, are there any recommended strategies for managing these side effects? I've been increasing aromasin and tamoxifen which seem to help a bit.
 
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