They are all more anabolic so your mix and match is at least from like compounds. I do phase cycling so that is important to me, maybe not to all though.
Anavar is more for tissue gain, primo for lean mass gain, and mast for muscle and strength gain. The first two were developed for muscle wasting diseases. Mast was created for breast cancer. All of these are used usually during caloric deficits.
I do use mast and primo sometimes on bulk cycles. I do eat excess calories when I am bulking so it doesn’t stop the weight gain, just makes it a little leaner gain. Recomp, I definitely use mast.
To get the full benefit of the bulk, I would not use them. Once again, this is a personal preference and sometimes I do and sometimes I don’t. I won’t use it if I can handle the extra weight.
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