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First Cycle 500mg vs 300mg : r/Testosterone

Kimberly Fowler
(@kimberly-fowler)
New Member

I have seen so many people recommend one or the other – 500mg because if you do any less you’re leaving gains on the table, 300mg because it means less risk of sides, etc.

Curious if anyone would be up for sharing what they did for their first test-only cycle, their experience, and before/after pics?

The main side effect – shutting down your HPTA is going to happen regardless, that is why people at r/steroids advice to go with 500. But all other side effects will depend on the dosage and manifest linearly. e.g higher dose – higher bp, more acne, thicker face, thinner hair etc.

Ultimately depends on your goals, expectations for the cycle and what you going to do after.

Personally, if I just wanted to do a cycle, come off and do a PCT – I would go for 500mg, so that I am left with at least some gains after that. If I were already on TRT, I would just increase the dosage to 300mg and see where it takes me.

Fwiw, everyone’s different but knock on wood, I’m still having about no significant sides on 500 for 14 weeks now, 6 to go, I’m not a big boy just 5 10 180 pounds. I check my BP every time I get groceries, still the low side of healthy as it’s always been, I do take fina so that may have prevented DHT issues and I think I have more hair than in the last 10 years lol, I do have veeery slightly more acne than I normally do but I mean very, one or two very tiny blemishes now and again vs almost none before. Blood was all unnotable to good, LDL good and low, HDL decently above ok.

So by all means be cautious, this is your life and your body, but I suspect there’s what, millions of people who did 500 cycles, never tested shit, and came out fine too. Pure test at 500 isn’t really that bad compared to more whacky compounds, your body has always known what it is, but too much can cause issues and some are more susceptible to them yes.


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Topic starter Posted : 27/12/2025 2:59 am
Toni Hall
(@toni-hall)
New Member

my secret for explosive leg growth without destroying my knees


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Posted : 28/12/2025 5:59 am
Steve Tucker
(@steve-tucker)
New Member

is high volume training actually killing your gains on cycle


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Posted : 28/12/2025 2:59 pm
Gabriela Singh
(@gabriela-singh)
New Member

the lighting and posing in these shots is much better than week 1


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Posted : 28/12/2025 10:59 pm
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