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[1] Other rare side effects noted (mostly in older literature or high-dose use) include: polycythemia vera and peripheral vascular thrombosis in patients receiving repeated injections (though these associations are not well understood, they were listed in prior product literature as possible adverse events)

Look for HPLC purity data and mass spectrometry confirmation of identity

Additionally, established procedures help support dependable batch-to-batch performance and reliable research material preparation

However, call your doctor if the soreness worsens or lasts more than 2-3 days

I feel stronger and have less of the afternoon tiredness that I had before