I do the same. Fr sent bro

Nolva will prevent estrogen from binding to the breast tissue receptors. That being said it does virtually nothing to fight off the estrogen bloat and will over time and aggressive dosing will lower IGF1 levels.

In order to combat some of this you could always switch to shorter acting estered compounds as well as non aromatizing compounds. You may find greater benefit by stacking proviron everyday at a complimentary dose of 25 -50 mg per day combined with standard half aromasin tab every 2 -3 days.

All this being said, if you are having success using Nolva one cycle and are happy with the effect, I would not simply discontinue use simple because you are worried about potentially lowering your IGF1.

Of course, you could also and should in this case. Go off completely. Get baseline estrogen level and IGF1 blood tests prior to your next cycle. Then get retested mid cycle as well as off. That way you eliminate all guesswork and can adjust accordingly to the facts as opposed to relying on guesswork.
Hope this helps

Good Luck

I've used it with proviron for years. That's how it was done in the old days.

Higher estrogen will equate to higher igf-1
Lower estrogen will result in lower igf-1

Nolvadex lowers estrogen so yes you would end up with lower igf-1

So it seems like it all depends on dosage of the nolva and how low it's making your estro. Only way to know this is through a few blood tests, testing your estro and igf-1 while taking a certain dosage of nolva

Just a thought...

Won't hinder gains at all. It's a fine choice if you're gyno prone. It's what I suggest to most people who are guns prone as they have to use doses of ai's and keep there estrogen so low that it will hinder gains. It will decrease igf-1 levels a bit, how much I don't know forsure. I'd like to get my igf-1 tested and then take nolva for 2 weeks or so and retest and see what if any change occurred.

If you're super sensitive to e2 I highly recommend aromasin. You could start @ 12.5 e3d & see how it goes & change to eod if need be. I know a lot of people like to throw Nolva in mainly to keep gyno back, but it also has negative effects. Aromasin is a suicide inhibitor meaning it's not blocking e2, but it's destroying it. Adex is a blocker if I understand right. I hope I explained that correctly!! IMO aromasin will do all you need it to do to balance e2, but I would definitely monitor the e2 because as you know we need it also. Because Nolva is a serm, it balances in a completely different way by disrupting enzymes & how they produce. I hope this helped....

I feel like that slight drop in IGF1 is more than compensated for from the increase in IGF1 from the anabolics you are running. I wouldn't risk the chance for gyno over that loss; as I've gotten older, I've started running low dose nolva (10mg) with all of my cycles. I also use ai as needed.

I've been doing alot of reading on this subject. What i have found is that especially if you are gyno prone adding Nolvadex is a great tool but an ai like aromasin seems to be the best choice because of the lowering of your igf levels by adex and letrozole.
I was reading a study where the doctor said if you have a castle how would you defend it would you let the attackers in then fight them or would you defend all the gates and keep the amount of attackers low.
I thought that it was a great analogy.
There is alot of pubmed and other medical research I've read a ton of stuff over the weekend. Just keep Google things like Nolvadex to fight estro, Nolvadex to prevent gyno. You will get a ton of reading. I wish I had some of the better links for you.

Irongame has a ton of great information on this subject