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YK 11

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Post any info or experiences on YK 11 and any useful or educational material.

http://www.ncbi.nlm.nih.gov/m/pubmed/23995658/
http://www.ncbi.nlm.nih.gov/m/pubmed/21372378/

This shows a good comparison of YK11 to DHT

http://www.ergo-log.com/yk11-sarm-myostatin-inhibitor-in-one.html

Correct me if I'm wrong, but from my understanding YK 11 is a partial agonist to AR androgen receptor and also increases follistatin which inhibits myostatin in turn will allow more muscle cell growth and differentiation.
So if you can inhibit myostatin you can have significantly more muscle mass.

https://en.m.wikipedia.org/wiki/Myostatin

https://en.m.wikipedia.org/wiki/Follistatin

Dosing protocols:
I've yet to run across any data about half life. FTS informed us that it does have a short half life and he doses 12 mg split into 3 daily doses. I've been doing 10 split into 2 daily doses since I have 10 mg caps I just open it up and take half and then take the rest later.
If anyone has run across half life info or knows a better protocol please let us know.

My cycle log YK 11 and Rad 140
https://www.eroids.com/cycle_logs/yk-11-rad-140-4-week-bulk

This guy is claiming YK 11 is a steroid not a SARM, any chemistry or biophysicist junkies input is appreciated
https://www.quora.com/What-can-you-tell-me-about-YK11

Another article saying YK 11 may be considered a steroid. http://www.mymensana.com/ergogens/sarms/yk11-steroid-sarm-or-both/

Bloodwork 5 days post Sarms run https://www.eroids.com/pics/trustgh-red-top-serum-and-yk-11-post-bloods

mikephilip's picture

A great interesting take on YK11 https://provenpeptides.com/yk11-review-novel-myostatin-inhibitor/ author explain YK11 is a Prohormone or SARM in better way

sanmarino's picture

Anyone else who have some experience with YK-11? It seems, the hype is over...

humpnpump's picture

Had female hormone panel drawn today should have results in a few days. So far lost a couple pounds since I dropped the Sarms 5 days ago, but not feeling any kind of crash. We'll see what the blood work shows.

Nils Georg's picture

Another interesting take on YK11: http://www.mymensana.com/ergogens/sarms/yk11-steroid-sarm-or-both/ Author opines that it will water down the effects of stronger androgens when stacked. So don't take this alongside your anadrol.

It seems to me that this is a triple-methylated oral steroid and not a SARM at all. In lieu of toxicity data, I would err on the side of caution and assume that it is highly hepatotoxic.

FillTheSyringe's picture

My liver enzymes werent that bad and i was taking a pretty hefty dose last couple weeks

Nils Georg's picture

Ah that's good to hear. What do you suppose is a "safe" dosage for a 6-8 week run?

humpnpump's picture

My liver enzymes look good 10 mg ed split and I've been alcohol binging one weekends about 2/5 ths vodka. https://www.eroids.com/pics/trustgh-red-top-serum-and-yk-11-post-bloods

FillTheSyringe's picture

I was doing 24mg a day at the end. Start at low and ramp up

humpnpump's picture

Thank you Nils. I'm going to add the link up top so it doesn't get lost in the thread.

Crack234's picture

hey i'm from germany and I want to test the yk-11 too. for me its normal to consume the sarms as liquids, 'couse u may get the better quality, especially with no fillers. following u

jdiesel's picture

Just wanted to share my experience with yk11. I unfortunately had to stop taking it. After a couples days on it I had terrible stomach pain followed by shitting my brains out with blood in it. It was bad. I stopped everything cleared then started up again and same exact thing with blood and all. So after 2nd time done for good. It was great in the gym as far as energy level and pump but obviously it didn't sit well with me. As far as my dosing I did half cap twice a day first day second day I took full cap before gym then after that I went to half cap twice a day. Hopefully nobody else gets these sides. It scared the shit out of me!

sic26's picture

Thank you for posting hope everything is alright and its not serious I like hump already said.

jdiesel's picture

Thanks buddy I appreciate it. Something told me to hold off on trying this. I should've listened to that internal voice. Kind of stupid for me in my position to be a part of a study basically. I have young kids at home and I'm putting shit in my body there is no real tests/ research with humans taking it. Not a smart move. I'm not at all bashing anyone who does try it or do it at all. It was just a little eye opener for "ME". I get great results sticking to the basics so no need for me to branch out. I'm sure once I read more studies on these things and get better educated then maybe in future I'll dabble. For now no bueno. I do like that humpnpump started these sections up it will be great for others to utilize. I'll still be frequenting here to look at what people's experiences are.

humpnpump's picture

One of the main reasons I began this Sarms group. Really appreciate you sharing this JD so we can all learn and not make repeated mistakes. Hopefully it was just he filler additive and there's nothing serious going on.

jdiesel's picture

Right on brother! You are a good man for doing so! I'm glad I can contribute good bad or indifferent.

sic26's picture

I know what u mean especially with health and your kids. Just feel bad u had experience definitely scary stuff. no bueno indeed my friend. It definitely makes want to stick what's works

jdiesel's picture

I appreciate you saying that. You are a good man!!

humpnpump's picture

Wow that's some scary stuff JD. Good that you was smart and quit. I don't see why it would cause blood in your stools though, may have been an underlying problem that the YK 11 aggravated. I would research it and possibly see a doc brother, could be something going on that needs attention before it's to late, you know what I mean.
Edit:
From the taste of your sources tabs I believe they use baking soda as a filler additive, this could be the culprit.
http://drsircus.com/medicine/sodium-bicarbonate-baking-soda/side-effects...

jdiesel's picture

Yes very scary. I was going back and forth bout seeing a Dr. Maybe I will. Thanks for finding that info I appreciate it! Maybe that was the issue.

sic26's picture

Always thanks hump for all the info on these sarms and your experience plan on giving this one a go did run by itself

humpnpump's picture

Running Rad 140 and YK 11 4 weeks, I'm on week 2 now. Only running YK 11 4 weeks since it's suppressive somewhat.

jdiesel's picture

I just started taking yk11 yesterday so I will keep you guys updated on how it goes for me.

humpnpump's picture

Dead lifts and hams today. Felt strong, haven't been doing deads In awhile and was working 405 for reps no problem. I know I haven't been lying to myself that gains are coming on strong. You truly know it's working when occasional workout buddy come up to you at the gym and starts cursing you, and asking wtf I'm taking, said in the last 2 weeks I've really filled out and looking muscular as hell.

Nimfit's picture

Just wanted to say that I really admire and am thankful for the time and effort you put into giving us the information and summarizing your own experiences with the these compounds. It opens up a lot of details that we get to recognize from your logs and forum posts. Thank you very very much. As a new member it gives me a lot of knowledge that I am able to expand.

humpnpump's picture

My pleasure NimFit. It's great to have a community of like minded individuals that follow, want to learn, and then contribute. SARMs are very unique and offer a lot of promise, but we need to figure out how they work through trial and error. Thank you for the comments, I really appreciate it.

i20bpm's picture

Any info on this sarm or any sarms hepatoxicity?

humpnpump's picture

YK 11 is a highly bioavailable oral, and the best part about SARMs is there not hepatoxic, there not methylated so there's no stress on the liver.

i20bpm's picture

I just got done with my first workout with yk11 what should I be expecting and how long until you really start noticing its effects

humpnpump's picture

I've been on it a week now and yesterday I could really tell it had kicked in. The first time I took YK 11 I started feeling it the first few days, but it was probably like day 4 I started getting the full blown pumps.

i20bpm's picture

Yeah I figured bc I really didn't notice much

i20bpm's picture

Awesome to hear

FillTheSyringe's picture

Wondering if u ever need to come off this? Or can run it year round like creatine.

humpnpump's picture

Wonder if YK 11 would work well during peek week or even show day to help pump up and get muscle bellies full.

humpnpump's picture

If you need to ramp up doses to get effects like you mentioned, it's probably better to cycle, especially for someone like me that's not on trt.

FillTheSyringe's picture

Im on trt but good point. Be a good idea to get follistatin levels checked

humpnpump's picture

Starting a YK 11 log, link up above

humpnpump's picture

If you are using YK 11 and not on trt, your probably going to experience some suppression. I've went about a week and half on the boys have shrunk but libido is fine. I'd recommend using on cycle and if not limit to 4'weeks with a good natty test booster while on and several weeks after.

humpnpump's picture

Going to stop the YK 11 and start back up in a week and bulk for 6 weeks. This was just a little trial run, which I really liked the results. Once I get all my food and protein together I will start a cycle log using YK 11 and Rad 140. Maybe even do some blood work to see how suppressive this stuff is.

zeb0312's picture
humpnpump's picture

Good read.
Dosing protocol they mentioned 2 to 5 mg b.i.d or q.i.d

zeb0312's picture

Anyone with anymore feed back on dosage and results and any sides??? I'm interested in using this product but not much posted on web interested in the myostatin effects I'm sure this is long term use maybe Idk. Thanks

FillTheSyringe's picture

Im doing 3 split doses and def liking results. Planned 8 week run

zeb0312's picture

Sounds good bro thanks for feedback

zeb0312's picture

Yea I'm interested in this sarm as well.Thanks

jfreak's picture

Just started on some yk11 interested to see how well it works. Anyone have any experience with it?

humpnpump's picture

2nd day 10 mg split 5mg 10hrs apart. Pull ups, weighted dips and superset bi's and tri's arms were pumped and hard, showered and put work clothes on and my damn arms were popping out of my sleeves, I tried to hide it but at least 2 guys on the way out was like damn lol. I've been on Rad 140 for about 1 1/2 weeks and pumps are good but I attribute this to the YK 11. You getting anything off yours yet JFreak?

humpnpump's picture

I finally got mine in the mail today, going to start it soon. Feel the syringe is about a week and 1/2 in on his first run.
I've heard it makes you hungry as hell.

FillTheSyringe's picture

No crazy hunger yet, but im generally hungry anyway. I feel very full and pumped even on just my trt

humpnpump's picture

Nice. Hey FTS if you can find the article about YK 11's half life and post it on this thread and I'll post it up top, I can't find any information on it. I want to post dosing protocols on all these Sarms.