Need advice on E2, should i use an AI?

Need some advice on if I should be using an AI, I have had bloodwork done:

Oestradiol 369 pmol/L

Testosterone 73 nmol/L

free Testosterone 2438 pmol/L

I have Aromasin and Arimidex, not sure whether I need to start using one

I am pinning 375mg sustanon per week

Lab ranges are needed. Each lab has different unit and ranges depending on their equipment and methods. Please post. What symptoms / side effects are you having?

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Im having quite lower libido and energy (could be overtraining) nipples tend to be stiff alot, do seem to be a little puffy aswell, areolas seem to be getting a little bigger, have been having mood swings (low patience) but I did only just up the dose 2 weeks ago so maybe thats why, I did receive a note in the email for my bloods to follow up with my gp regarding the E2 even despite the high test

If its just breast/nipple area problems a SERM like Tamoxifen may be better. If its mood, water retention, libido then AI.

Your T/E ratios aren’t bad. You can’t also blame mood / energy solely on E2. Some guys don’t handle high androgen levels and better than high estrogens.