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Osta Sarms + S4 stack

firetruck

New member
Have been on Osta@25mg/d for 4 weeks really likin it,using forma as well just in case of any gyno issues. Was thinking of stackin it with S4@50mg 5 on 2 off. Will take bilberry for vision sides and hcgen in case of suppression. Can any bros see any possible problems with this?
 
Hey man,

gamer is a good guy to pm on this
 
Have been on Osta@25mg/d for 4 weeks really likin it,using forma as well just in case of any gyno issues. Was thinking of stackin it with S4@50mg 5 on 2 off. Will take bilberry for vision sides and hcgen in case of suppression. Can any bros see any possible problems with this?

can you turn this into a log as i will be doing the same osta 25mg/day first 4 weeks then stack with S4 50mg/day for next 4 weeks then finish with S4 50mg/day for last 4 weeks

im starting mine in about 1 1/2 weeks.
 
can you turn this into a log as i will be doing the same osta 25mg/day first 4 weeks then stack with S4 50mg/day for next 4 weeks then finish with S4 50mg/day for last 4 weeks

im starting mine in about 1 1/2 weeks.

I'll do that. Ur doin exactly the same as me. The four weeks of Osta got goin after around two an a half weeks but now all lifts are up muscles look fuller joints not hurting as much and generally feel better training. The only thing I didn't notice much yet was fat burning,enter the S4. Actually started takin it two days ago,and already endurance is up! Do morning runs 4-5 mornings a week for half hour yesterday was a breeze. Leg workout yesterday wasn't the best as I was called out to a fire and didn't get to the gym til 8.30(usually train at 4) had to train on my own
 
Day 3 of S4 fifth week of Osta. I'm takin the Osta AM and the S4 dose 2 hours before training. Again running this morning was effortless. Had a busy day Workin but still really up for the gym. Did arms this evening. What I have noticed is the Osta is good for strength and S4 good for muscle endurance and insane pumps. I am hoping after a week or two to notice some recomp. I'll keep u posted. No vision sides yet
 
any of you guys running a SERM or AI? I've heard a couple of theories: ER/AR crossover with osta or a possible upregulation of the aromatase enzyme. Anyone know what GTX found in their clinical studies?
 
I am actually running forma stanozol and 10mg nolva just in case. Am also running hcgenerate as S4 is a bit suppressive. The clinical trials used a maximum of 3mg/d so I don't think it was an issue
 
Good point with the clinical trials. I'm running 35mg/day of osta and 20mg of nolva. What I thought was just a little bodyfat must have actually been gyno because my chest has leaned out in this first week I've been running the osta/nolva. When it comes time to end the cycle, should I run a suicide AI for a little while to prevent rebound estrogen? Sorry to thread hijack...
 
with that combo, gonna work fast!

Keep it coming bro!

Hope it works fast! I pm'd radar and gamer about the stack, two good bros who know sarms. They didn't have problems with the stack,although gamer said he would up the S4 to 75mg! I've took it for seven days straight now upped it to 75 today no vision sides. Will take two days off now. Trained back today dead lift 440lbs without straps. Before I started the Osta I couldn't even budge 380 off the floor with straps it's good stuff bros
 
Good point with the clinical trials. I'm running 35mg/day of osta and 20mg of nolva. What I thought was just a little bodyfat must have actually been gyno because my chest has leaned out in this first week I've been running the osta/nolva. When it comes time to end the cycle, should I run a suicide AI for a little while to prevent rebound estrogen? Sorry to thread hijack...

U could use forma stanazol(I am using it) it contains formestane which is a suicide ai
 
Good log. I stacked S4 and Osta in the fall and it did nothing more than S4 by itself. Hope you get better results.
 
Im going to run the stack to get myself in beach shape. Its gonna be great. Im going to run the osta and then overlap it with s4.
 
Im going to run the stack to get myself in beach shape. Its gonna be great. Im going to run the osta and then overlap it with s4.

I did 4 weeks on Osta,now end of first week of both noticing leaning out already. I think it's going to be a good combo
 
I was supposed to be off S4 today,but I took the dose and went for an extra training session. Bad boy. I did a completely different workout that I got from Russianstar. He uses it every few weeks to get thru sticking points in training.

One legged squats 5 with each leg, then 30 really fast with just body weight.
15 fast pressups
20 fast star jumps.

Now go to the bicep bar the ezee bar i think its called in the U.S. Get a weight you can only do 10 reps of on the bar, now force yourself to 50 reps, dont put the bar down for more than 2 seconds if the burning becomes too intense, force them out, try not to let go of the bar, rest at the bottom of the movement before trying to continue if you have to.
The burn and pump from this is awesome.

Now go to the pullup bar, pull yourself up so that your triceps are parrallel with the floor, hang in that position for 35 seconds dont go up or down, the hardest movements or exercises to perform, often bring the best results.

Now go to the squat bar, put on a weight you normaly do 15 reps of, but force out 50 again as fast as you can, good solid reps, no bouncing, on your last rep, drop down so your thighs are in line with the floor and hold it there as long as you can, using the squat power rack is best here in case your legs give up.

Now get 2 dumbells what you normaly use for lateral shoulder raises, and hold the weight in a static with your arms parralel with the floor, hold until failure or for 30 seconds, 3 times.

Now go 2 the position for one arm bent over rows, get a weight you normaly can only do 10 reps of, do 5 reps then on the 6th rep hold the weight half way between the floor and your body, really feel the back contract and shake to hold the weight there, hold for 30 seconds.

Now repeat the whole routine, i gurantee you will see positive changes with this routine in your bodys strength, and in its performance.

It was a killer,second time around with the fifty squats I used no weight at all legs were shaking. I think I'll throw it in every couple of weeks to mix things up
 
Good log. I stacked S4 and Osta in the fall and it did nothing more than S4 by itself. Hope you get better results.

I really liked the Osta (after three weeks)on it's own,but after 8 days on S4 I've noticed more endurance and start of recomp,even tho I havn't cut calories.
Oh and still no vision sides yet
 
Hope it works fast! I pm'd radar and gamer about the stack, two good bros who know sarms. They didn't have problems with the stack,although gamer said he would up the S4 to 75mg! I've took it for seven days straight now upped it to 75 today no vision sides. Will take two days off now. Trained back today dead lift 440lbs without straps. Before I started the Osta I couldn't even budge 380 off the floor with straps it's good stuff bros
That is an impressive strength gain! I'll be ordering my osta & formastanzol this week hopefully.
 
Second week on S4 and sixth week on Osta. Upped the S4 to 75mg. Will keep it at this until I get vision sides,then ill drop dosage. Managed to hurt my left shoulder on flat bench today,was tryin 242lbs managed two but got pain. Gettin carried away with strength gains. Pain has lessened since I got home,hopefully it will be ok
 
Killed legs today 330 squat four reps tried 352 but failed get it next week. I think gamer was rite S4 75mg this week it's really startin to do it's stuff,fat seems to be meltin off me,strength is increasing,and I've started need2slin today ;D. No vision sides yet I think the bilberry is helping there. I'm a happy camper
 
Vision sides will kick in at 75mg, keep that billberry dosed high.

Great thread and the Sarms/Osta stack is a hell of a stack....smart move.
 
Vision sides will kick in at 75mg, keep that billberry dosed high.

Great thread and the Sarms/Osta stack is a hell of a stack....smart move.

Third day at 75mg today I am upping the bilberry.
What I noticed today doin arms was muscle endurance and totally insane pump
I am becoming quite amazed at the recomp ability of S4, I'm not sure if this is increased by stacking with Osta or not,but it didn't happen with Osta alone.
Saying that I had the biggest strength boost after third week of Osta.
It will be interesting to see how recomp goes now as I added need2slin into the mix yesterday î„…
 
Gym closed for paddy's day today,most people here will be gettin totally f****d up today!
I take Osta first thing and n2slin then half hour fasted run. Then pm as there's no gym I took S4,attack and n2slin and did half hour 2 min rounds 30 sec rest,alternating between punching bag,skipping,kicking bag and running down an up stairs with ten push ups at top. Never used to make the half hour,but the Sarms and supps r makin a big difference
Startin to wish I had logged measurements,bf% and done before and after pics. My weight hasn't changed much,but body composition is changing,strength has increased,energy levels and endurance r up.
 
End of second week of s4 five days at 75mg,and today was the first day ive noticed vision sides no yellow tint,but havin trouble adjusting from light to dark,and in the bright sunlight my eyes are aching.
Have the weekend off s4(5 on 2 off) and on Monday I'll lower the dose to 50mg and see how it is
 
Ok week 7 Osta,week 3 s4. Vision sides subsided over the weekend,I got a lutein+betacarotene supp to go with the bilberry. From today i am cutting carbs from all meals apart from pre and post workout to see how training and recomp goes on less cals,and if today's chest workout was anything to go by it will be ok
Had loads of energy. Even on the max lifts.
Also still got the feelgood factor all day hope that lasts
Dropped the S4 dose to 60mg for this week if vision sides start again I'll lower it again.
Also ordered forged burner yesterday to go with n2slin
 
Great job on the personal bests! Let us know if 60mg/day reduces the vision sides. Have you noticed an increase in lean mass and a hardening effect?

I noticed fuller and harder muscles,my weight hasn't changed noticeably,but I didn't up calories for bulking. Where I notice these compounds really shining is in recomp,without a particularly clean diet over the last six weeks,I've lost a lot of bf,so must also have lean gains,as weight is constant,also strength gains. Eyes seem fine now will keep u posted. Feel great on these
 
I had the best leg workout today that I've had in a long time. Started ten mins on the bike then 4 sets of squats(didn't go for one rep max again) but ended on a rep PR of 330lbs for 5. Then 4 sets on 45 degree leg press with a
PR of 550lbs for 5 reps to finish. 4 sets of romanian deadlift,4 sets of walking lunges,and finished off with leg curls. Then rode the bicycle ten mins home. It felt awesome.
Noticed today when I was out in bright sunshine and went inside it took a few seconds for my eyes to adjust. Havnt had any yellow tint at all. Doing 60mg s4 this week. Feelgood factor was really high today.
Have upped morning fasted runs to half hour six days
 
Ok last nite was the first time I noticed yellow tint in my eyes probably because I have only taken 2 days off the s4 in 2 an half weeks. Will take sat sun off this week and lower dose to 50 mg. Lovin the effect of the Sarms Havn't had a bad workout since the third week of Osta BUT don't want vision sides to get too bad. Gettin leaner by the day and strength is up. Had a great arm workout again awesome pumps on the S4,I want to run it for another 3-4 weeks. Will be finished Osta end of next week
 
Lowered dose of S4 to 50mg today to see if vision sides go,it's not bad I think u have to find the rite dose for benefits without sides. I got forged burner today and took it along with n2slin before training shoulders and abs. Energy and focus were outrageous. Killed the workout then because energy levels were still high,I did an extra half hour alternating 3 min rounds skipping and punch bag. Would have been great to have these supps when I used to run marathons. Good stuff
 
I am going away on sunday for 4 days,mini break in the west of ireland with the mrs. I will stop the S4 for the 4 days,then when I get back will start back at 30-50mg 5 on 2 off.
I have really got together a good training stack for me,Osta,s4,n2slin and forged burner. Morning fasted cardio is easy on these.
I was called out at 3 this morning to a fire,so was really tired. But after takin s4 an hour before training back,then the slin and burner half hour before it was great.
On advice didn't go for 1rm again on deads this week but stayed lower(396lb) and did three sets 5 reps. Then took off two plates and did 10 it was a killer. Followed that with lat pulldown 4 sets,bent over row 4 sets,back extension 3 sets,seated pulley row. And like yesterday did cardio afterwards. Energy seems endless
 
Looks like S4 has been best for pumps and strength compared to OSTA, thanks for keeping the great log.

Thanks bro,strength first went up third week of Osta alone,but with the addition of S4 I got the pumps and muscle endurance,and have still been gaining in weight or reps. When I did the week on 75mg it felt great,but the vision sides are annoying,the first time I woke up at nite and thought I was blind was quite scary! I only took one day off a week should have taken two as I planned,I'm takin three days off sun,mon an tues,I'll post up then if sides have gone,then start back at 30-50mg as Radar did with no sides and still got the gains
 
6am saturday just taken my Osta,2xn2 slin,forged burner,washed down with black coffee. While I wait for the nuclear reaction to happen I prepare my breakfast of 1 whole egg,six whites whisk in a bowl mix in frozen vegetables(carrot,green beans,peas,sweetcorn)and microwave yum yum. It's great now the mornings r bright,makes u feel alive,out running in the early morning. U can't explain the joy of training to the average Joe they don't get it.
Planning on doing a double at the gym today chest and arms,as I'm going away for a few days break with my wife. I'm one of those who has to force themselves to take a few days off,as that's important to recharge,as I've been training six days a week while on Osta and S4
 
The cardio went great first time in about a year I have done sprint intervals. My usual half hour route,1 minute jog 30 second sprint all the way round. I'm feelin great on these compounds.
Took my free sample N2kts,2 N2slin,1 forged burner and S4 before the gym. Holy crap I was totally wired. People there probably thought I was on coke or speed or somethin. Had a great chest and arm workout. Didn't go heavy in stead did super sets. Finished off with cardio. Could not run out of energy.
 
Thanks bro,strength first went up third week of Osta alone,but with the addition of S4 I got the pumps and muscle endurance,and have still been gaining in weight or reps. When I did the week on 75mg it felt great,but the vision sides are annoying,the first time I woke up at nite and thought I was blind was quite scary! I only took one day off a week should have taken two as I planned,I'm takin three days off sun,mon an tues,I'll post up then if sides have gone,then start back at 30-50mg as Radar did with no sides and still got the gains

Who needs to see at night when you're dense and lean? Haha!

Sounds good man, let us know when you've found the right balance between dosage and side effects on S4.
 
Who needs to see at night when you're dense and lean? Haha!

Sounds good man, let us know when you've found the right balance between dosage and side effects on S4.

I'm away for 3 days now havin a break so hopefully vision will return to normal,it doesn't bother me in the day,only notice any thing at nite,and then only when in dim lite. I'll start lower dose and see what happens. It's great to see yourself losing fat,abs appearing,but not losing size. And keeping strength.
 
Having a couple of days away on the west coast of Ireland beautiful part of the world. 2 full days off S4 and vision sides r going. I think 4 day and they will be completely gone. Then will start back at 30mg 5 on 2 off and see what happens,if no sides mite up to 50 but no higher. Must be addicted to exercise,got up at 7 went to the hotel gym 20 mins on a treadmill,45 mins high rep weights,15 lengths of the pool,steam room and cold shower... Man it felt good. Makin up for the steak and couple of beers last nite :D
 
Ok,back to the grindstone today,and it was legs of all things. Didn't go max on lifts. Squats,leg press,romanian deadlift,walking lunges,curls an calf raises.

After three full days off s4 vision sides cleared up completely,so today started back on 30mg will take sat and sun off.
I was nearing the end of my Osta,so I got another bottle,that would make 12 weeks in total on it,not sure yet. Never got any sides from it.
Since starting the n2slin and burner,and cutting carbs down I've lost around 4-5lb in 2weeks and it seems to be fat that's gone,I just have to be carefull not to cut too quickly which is a failing of mine. And my strength is still up
 
Been back on the s4 three days at 50mg,and no vision sides,I think I've found the sweet spot,as long as I take the weekend off. For the first time in ages I had a bad workout today,didn't sleep well last nite,was up early for cardio and a hard day,had no energy to do back,just went thru the motions. Hope it's just a one off and I'm not going down with something. Still can't make up my mind wether to run the Osta for an additional four weeks or to finish on 4 alone.
 
Are u workin out 5 straight days, or is there a rest day u take the s4. Is this stuff supposed to build up in ur system or would it be ok to take on workout days only? For example mon-wed-friday-sunday.
 
Are u workin out 5 straight days, or is there a rest day u take the s4. Is this stuff supposed to build up in ur system or would it be ok to take on workout days only? For example mon-wed-friday-sunday.

From other logs I read,I think it would be ok to take training days,it has a half life of only 4 hours I take it 2 hours before training,and I train 5 days straight. As long as u take off a couple of days off a week and stay below 75mg/d u seem to avoid vision sides IMO
 
Had a good Trainin session yesterday,after feeling bad Friday. Usually on saturday i will do different training,high reps or circuits or the killer workout I got from russianstars follistatin log. Yesterday I did chest,arms and abs supersets. I did fasted cardio in the am,and after the gym I did ten 2minute rounds with 30second rest skipping,punchbag,runnin up and down stairs. My cardio fitness is improving a lot.
Today I did fasted hiit in the am consisting of 1min jog 30sec sprint 20 times killer. In the pm I did 12 rounds as above.
I think I'm going to order some Ultima as it's stim free,and seems good. I love stims but I get bp issues.
I Havn't got vision sides back so I'm pleased with that. I have decided not to extend the Osta for another 4 weeks,I will stick to the original 8 weeks and continue s4 on it's own for 4 weeks,and see the results from that.
 
So are sarms liver toxic? Read where Russian said to take liver support. Read other stuff that says it isn't. I'm confused. It has the methyl compound in it.
 
So are sarms liver toxic? Read where Russian said to take liver support. Read other stuff that says it isn't. I'm confused. It has the methyl compound in it.

IMO there is no harm in taking liver support while on any anabolics. The S4 metabolite M1 is toxic so I do take milk thistle for liver,I take bilberry for vision sides. I make sure I eat lots of salad,veg and fruit for anti-oxidants
 
IMO there is no harm in taking liver support while on any anabolics. The S4 metabolite M1 is toxic so I do take milk thistle for liver,I take bilberry for vision sides. I make sure I eat lots of salad,veg and fruit for anti-oxidants

Good post. I will say that there is some research concerning milk thistle down regulating androgen activity. However, I'm not sure to what degree, but there are some excellent substitutes like NAC.
 
Havnt updated the log for a few days,was on a FD training course,still been making it to the gym tho. Tomoro will be the last dose of Osta for this cycle,got nearly nine weeks out of 2 bottles,s4 will continue for another 3 or 4 weeks. Strength gains peaked at around week 5-6 of Osta 2-3 weeks into s4, has stayed level since then,it'll be interesting to see what happens now the Osta will be stopped. I have done a few cycles of test and eq,test and mast,but I have broken a lot of PR's on Sarms maybe I wasn't tryin before lol.
Have a handle on the S4 vision sides 50mg 5 on 2 off is the way to go for me
 
good to hear firetruck. Im actually into the 3rd week of osta myself, noticing the strength really pushing up now and im close to breaking my pb's as well. starting to stack s4 with it on monday :biggrin:
 
good to hear firetruck. Im actually into the 3rd week of osta myself, noticing the strength really pushing up now and im close to breaking my pb's as well. starting to stack s4 with it on monday :biggrin:

I've had a great run on both. When u start S4 u will notice endurance goin crazy and u will start to lean out. Love it :D
 
Not much to report today,as I said yesterday everything has levelled off. Had a good shoulder workout today,I think I have only had 2 bad workouts while on Sarms,thats nine weeks,5 days a week that's not bad.
My objective for the next few weeks on S4 alone,was to cut carbs more and see how lean I can get while keeping strength and muscle. But this is proving difficult as my wife has decided to start baking her own bread!!! Have u ever tried to eat chicken and green veg with hot bread sitting cooling on top of the oven,it's impossible!!! Talk about torture
 
Don't u just love those training sessions when u stagger out of the gym shaking. Just did back. Deads,lat pull down,bent over row,cable row,hyper extensions,one arm dumbbell row. Five sets of all. It was awesome. Trained on my own talked to no one and no one came near me. I think u give off a "leave me the **** alone"vibe when ur in that training mood.
I have finished the Osta(bit sad about that)but u have to clear the system,still on the S4 anyway.
Have to report after five days on today vision sides turned up again,but have 2 days off now.
I think it must be the S4 that's makin me train so intense,love it
 
I'm gonna start with 50mgs. I'm running peptides with it. I might do a log. I started one with the peptides, but I fell off. There might be alot of people interested in a peptide & s4 log though.
 
I'm gonna start with 50mgs. I'm running peptides with it. I might do a log. I started one with the peptides, but I fell off. There might be alot of people interested in a peptide & s4 log though.
I'd be interested in that log

First week of s4 alone,vision sides went after the weekend,back on 50mg mon-fri. Didn't have a great chest workout today,my bench press is the only big lift I havnt added much weight to,not one of my best exersizes. Still got a good pump and exhausted the muscle,so not all bad.
 
Really good leg nite tonite limp out of the gym good. It's funny but my training partner is better at chest arms and shoulders,and I'm legs and back,so we push each other. It's a good combo. He's on ss osta now after his cycle.
I thought after last nite the good sarm effect had gone with the Osta,but I think whatever ur on u occasionally have workouts where u just can't get into it,as long as u don't carry it over to the next one
 
Really good leg nite tonite limp out of the gym good. It's funny but my training partner is better at chest arms and shoulders,and I'm legs and back,so we push each other. It's a good combo. He's on ss osta now after his cycle.
I thought after last nite the good sarm effect had gone with the Osta,but I think whatever ur on u occasionally have workouts where u just can't get into it,as long as u don't carry it over to the next one

Do you find that your pumps are so intense many times, you can't handle as much weight?

My pumps are so insane my grip strength even goes because my forearms are just bursting with blood. It's amazing, and I've never been one to focus heavily on weight anyway, only muscle stimulation since that's all that matters. Gotta love those SARMS!
 
I'm on the fifth day of s4. The only thing I'm noticing is an increase in energy. And everything today looked kind of yellow a little while after i took it. Not bad though. Is this the kind of vision sides you guys are getting? I hear alot about night vision stuff, but i havent noticed any because im not out much at night.
 
I'm on the fifth day of s4. The only thing I'm noticing is an increase in energy. And everything today looked kind of yellow a little while after i took it. Not bad though. Is this the kind of vision sides you guys are getting? I hear alot about night vision stuff, but i havent noticed any because im not out much at night.

Not much if a night owl are you? Me either, although sometimes I like to stay up late - but I don't leave the house at all.

Yeah the vision side effects you're experiencing sound text book to what all the other users have reported.

Don't you worry, that increase in energy will become an increase in just about everything else!!!
 
Yes forearm pumps during arms today so bad had to drop the bar! Love it tho. About vision sides just make sure to take the 2 days off a week.
I've come to realise something,over the past 10 weeks I've become so used to savage workouts,that when the gains levelled out,and I stopped increasing weight or reps every session I was thinking it was a bad w/o! This is something u have to get used to. I think Sarms is going to be great for anyone coming off pct,keeping strength and size as a type of bridge.
 
Gettin near the end of Sarms combo cycle boo hoo
Decided to up the S4 to 75mg for the remaining week,I know when the vision sides get bad 3 days off clears it.
Tried to break dead lift PB today. 450 is my best,loaded 460 got it off the ground,couldn't hold it,pulled 2 callouses off my right hand. A bit sore. Was able to finnish back trainin ok.
Deads and squats have become my 2 favourite exercises which is cool,just need to work on bench improvement now and I'll be happy with my progress
 
Does s4 give u an irregular heartbeat? My heart Is doin some weird stuff close to the end of my wirkout. It's like 2 or 2 1/2 hours after I take the sarms. It goes away a little while after my workout. Never felt it like that before s4
 
This is really weird... I swear I already posted here in your thread regarding your last (above) post.

I was just saying I have seen those Strong Man at the Arnold Classic rip calluses off their hands as well, and it isn't pretty! He was in such agonizing pain.

Haha I have the same log on NTBM u probably posted on there bro
 
Does s4 give u an irregular heartbeat? My heart Is doin some weird stuff close to the end of my wirkout. It's like 2 or 2 1/2 hours after I take the sarms. It goes away a little while after my workout. Never felt it like that before s4

I have never noticed anything like that. Are u taking any stims before workout?
 
Ok peeps finishing up on the S4 tomorrow. Will carry on hcgen and Phytoserms for a few weeks.
I have really enjoyed my run on sarmssearch Osta and S4.
I personally preferred the Osta,purely because I got better strength and size from it.
Thanks to everyone who followed the log.
I am planning my next aas cycle for middle of July sust mast primo,so I will looking for assistance with new pct products and such like.
 
do you think the S4 doesnt bind well with the osta?

Not sure,all I know is I preferred Osta on it's own to S4 on it's own,but together was good also.
I ended up the same weight after nearly 12 weeks but look a lot different,leaner,more vascular and more muscular,proper recomp.
 
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