I don't use liquid, but rather pure xtals and weigh them out on a 0.001 g (1mg) scale from Amazon. There is a min order (in the hundreds of dollars) when buying from China, but it is packaged discreetly to get past customs (even though it is legal) and shipping is around $25 this way with a wait of around 2 weeks or less airmail.
IGF-1 range for my age group of 48 = 67 to 205 ng/ml
4-6-18, baseline igf -1 = 227 ng/ml------------------------------------------baseline
4-11-18, 2 days on 4iu of Chinese pharm grade gh = 380 ng/ml----increase of 153 points
4-25-18, 2 weeks on mk677 only = 372 ng/ml----------------------------increase of 145 points
9-7-18, 6 months on mk677 only = 322 ng/ml----------------------------increase of 95 points
There you have it, after 6 months on 25mg mk677 in the morning, increase of only 95 points, wish it were a bit higher, but it's still better than 227 baseline. It's not as effective as it was when I measured it at 2 weeks, and felt like it was strongly effective for many months before taking a bit of a nosedive in the 6th month of taking it everyday. I did switch vendors of the mk677 on the 5th and 6th months, but it was still directly from China, from a different reputable pharmacy in China none the less, had that same nasty taste that lingered for around an hour in the mouth due to benzene ring when swished around to test bitterness/taste.
What I am going to do now: I am going to go back to the mk677 stuff I had used for the first several months (from the 1st Chinese pharm) that gave me a very high reading of 372ng/ml (will pull it back out of the freezer) and use this exclusively for the next month, then will retest one month from now. I want to see if it makes a difference, or if it is just perhaps my tolerance to the stuff ? I will report back in 1 month with more bloods. I want to see what is going on.
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By looking at the test results, you can see how awesome Chinese pharm grade GH could be at around 5iu or so, perhaps would be as high as 475ng/ml as there was around a 95 point increase per each iu of GH.
Anyhow, this was I felt an interesting study in the comparison between very good foreign pharm grade GH with the impressive mk677.
The GH at 5iu a day used on working days only (5 days out of the week with weekends off) could be done at around $200 a month, while the mk677 could be used everyday at a tiny fraction of the cost with near equal results to 4iu of GH, but it just won't get as high as 5iu of GH can. There is a limit to it's power as the body imposes a regulatory system or checks and balances to keep it from getting any higher than what a gifted 16 year old is normally able to produce.
I have bloodwork coming up in 2 weeks to check testosterone and e2 and liver values, and I don't think mk677 had any effect on liver profile, I will report all this in 2.5 weeks. I have also been on 200mg a week TRT with 1/4 mg arimidex for 7 months.