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GW-501516 (Cardarine), 10 mg

4.60 out of 5
(540 customer reviews)




GW-501516 (Cardarine) Research Profile:


Description: 1st gen SARM; known as the "endurance SARM" and fat loss associated with going further and longer on same calories; slight anabolic activity for some (but see 'Magic Pills' and 'Goals' here); similar to SR-9009 but longer half-life so more flexible administration.

Known for: Increasing metabolism and stamina, resulting in weight loss/cutting.

Commonly stacked with: Typical cutting stack: GW-501516, MK-2866, MK-677

Side-effects: Very few reported; one study in rats showed ultra-high doses could cause cancer


GW-501516 (Cardarine) Chemical Profile:

Clinical data

Selective Androgen Receptor Modulator
GW501516, GW-501516, Cardarine, Endurobol, GSK-516
By mouth
US: Unscheduled
GSK, Ligand Pharmaceuticals

Pharmacokinetic data

20-24 hours


{4-[({4-methyl-2-[4-(trifluoromethyl)phenyl] -1,3-thiazol-5-yl}methyl) sulfanyl]-2-methylphenoxy}acetic acid

Chemical and physical data

453.498 g/mol
O=C(COc1ccc(SCc2c(C)nc (c3ccc(C(F)(F)F)cc3)s2)cc1C)O
InChI=1S/C21H18F3NO3S2/ c1-12-9-16 (7-8-17(12)28-10-19(26)27)29-11-18-13 (2)25-20(30-18)14-3-5-15(6-4-14)21 (22,23)24/h3-9H,10-11H2,1-2H3,(H,26,27)


* These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Selective Androgen Receptor Modulators (SARMs) have not been approved in the US by the FDA for human consumption as dietary supplements. In accordance with US laws pertaining to the use of Investigational New Drugs (IND's) products labeled as SARMs on this website are sold for laboratory and clinical research purposes only, are intended solely for investigational use, and are to be used exclusively for purposes of a clinical trial that is the subject of an effective investigational new drug application; otherwise, you are not authorized to purchase our products. By using this site and/or purchasing our products, you certify you and/or your organization is/are qualified to possess, handle, and administer the products you purchase, that SARMTECH and its owners/agents are not liable for any unintended effects or outcomes, and that you are 21 years of age or older.


540 reviews for GW-501516 (Cardarine), 10 mg

  1. 5 out of 5

    Joseph Cumbest

    Forever Cardio gainz!

  2. 5 out of 5

    Tye Starr (verified owner)

    my Subject activity increased dramatically

  3. 5 out of 5

    Aaron Abbott (verified owner)

    Workout in a bottle

  4. 5 out of 5

    John Pedraza (verified owner)

    Works amazing. Better then I expected. Maintains muscle mass when adding intense cardio sessions to your [subject’s] lifting routines. Highly recommend.

  5. 5 out of 5

    Scott Michael (verified owner)


  6. 5 out of 5

    Mark White (verified owner)

    Test subject (out of shape cyclist) used in conjunction with SR-9009 to achieve PR in multiple daily HIIT workouts. Achieved near-peak results in first cycle. Highly recommend further testing.

  7. 5 out of 5

    Scott Michael (verified owner)

    This is a great product! Noticed an increase in stamina in several days! Fat loss is great!

  8. 5 out of 5

    Nikolaus Andresen (verified owner)

    My [subject] has been able to attain new levels of cardio and energy through out the day, leaning out seems to be happening as well

  9. 5 out of 5

    Jason Baker (verified owner)

    Was referred to this site by a friend and SARMTECH beat my expectations and outperformed any other sarms source I have done business with! Cheap and quality don’t normally coexist but here they do, and you can’t beat free shipping in the U.S. my package came 3 days after purchased! I’m excited to do some research and see how my lab rat reacts, I will repost with results.

  10. 5 out of 5

    Efrain Rodriguez (verified owner)

    The supplement came to my pretty fast I I gave it to my [research subjects] they are amazing. there actually got lean more muscle awesome product

  11. 5 out of 5

    nitroteam (verified owner)

    Cut 10 pounds of fat off [subject’s] last cycle. Repeat customer, ordering again

  12. 4 out of 5

    Mr. L-Word (verified owner)

    At a dosage of 20mg/day, this worked phenomenally. Used for performance in martial arts training, and though [subject] still get winded, [subject] can go for more rounds than was ever able to before

  13. 5 out of 5

    Taylor McBride (verified owner)

    Used this product to keep the gains lean while bulking with the lgd stack and it worked incredibly!

  14. 5 out of 5

    Edward Gilgen (verified owner)

    Only took 3 days to get my order! Very impressed…I will get back to you on my results since I just received it today.

  15. 5 out of 5

    Bob (verified owner)

    Great product

  16. 5 out of 5

    nitroteam (verified owner)

    Great product, super fast shipping, used 90 days and saw great changes leaned down quite a bit

  17. 5 out of 5

    Liam Davies (verified owner)

    Energy levels went through the absolute roof. And [subject’s] stamina had improved significantly

  18. 5 out of 5

    Benjamin Sattler (verified owner)

    Outstanding product

  19. 5 out of 5

    Austin Madruga (verified owner)

    Cycled at 10mg/day with RAD 140 at 15mg/day for six weeks for an absolutely incredible hypertrophy phase. The strength and mass increase from the RAD combined with the stamina and endurance of the Cardarine makes set last forever. If you shoot for a set of 12, get ready to do 20. [Subject] found it difficult to reach muscle failure on nearly any set.

    Really incredible product. And sarmtech is the best combination of affordability, quality and customer service. I’ve referred two of my friends and will continue to do so!

  20. 5 out of 5

    MiaG (verified owner)

    love this buy

  21. 5 out of 5

    Alex Layton (verified owner)

    As usual, product was quick and worked as it should. Very recommended.

  22. 5 out of 5

    yang fang

    This is the best company that I found among many SARM manufacturers to provide research capsules with the best quality.The company’s products are always 100% satisfactory in terms of quality control! You won’t be disappointed, other than that; my personal favorite is their way of earning points every day by signing in, and points can be used to deduct money during purchase settlement. I will continue to shop at SARMTECH.

  23. 5 out of 5

    Craig VanDeWeg

    I am 6 weeks into my Cardarine stack with Ostarine and couldn’t be any happier. My [subject’s] body fat is down 4% but weight is up 7 lbs. Cardio is super easy and [subject] can do an hour of circuit training plus 45 minutes of cardio and not get tired. [Subject’s] mile run time is also down 2 minutes in 6 weeks and this stuff is legit. I am going to run this 6 more weeks take a month off then run it for 12 weeks in the spring!

  24. 5 out of 5

    Provcaps11 (verified owner)

    My go to when I add cardio to routine.

  25. 5 out of 5

    Ryan Maloy (verified owner)

    Best non pre-workout out there. The stamina and energy boost is unmatched. This is commonly used on a cutting stack, however it can be used on a bulking stack as well.

  26. 5 out of 5

    Anthony (verified owner)

    Immediate boost in my lab [subject’s] cardio capacity plus help there HDL and LDL.

  27. 4 out of 5

    Javier Cantu (verified owner)

    on my 4th day of research with this stuff and i can confidently say i can tell a difference in cardio. Subject has only been running 3 miles since starting but today was the the day i noticed that the 3 miles was pretty easy for not running in over 2 months. only reason stopped at 3 miles was cause my phone was acting up and wasnt tracking my miles during the run :/ other wise subject would have gone for 5 !

  28. 5 out of 5

    OrlandoJugg (verified owner)

    About to run a second cycle with this stack definitely improved cardio endurance using this highly recommend !

  29. 5 out of 5

    Alex Layton (verified owner)

    Increased endurance and fat loss for subject.

  30. 5 out of 5

    Alex Layton (verified owner)

    Subject showed increased fat loss as well as endurance.

  31. 5 out of 5

    JOSHUA LOGAN (verified owner)

    I am 76 year old male GW-501516 absolutely improves my research subject’s ndurance and leans without losing lean body mass – it is not a stimulant , however, its really
    makes a noticable difference in Endurance on the bicycle , or doing higher rep resistance
    work – I am impressed – I can do 20 reps in Pull up from dead hang ! and my body fat is
    most likely under 10% at 76 year of age – I cycle ON and OFF , check YOU TUBE for more
    info on various protocols – It is really rather amazing supplement !!!

  32. 5 out of 5

    Tommy Chay (verified owner)

    Endurance was through the roof! Used over 3 bottles, will always use to recomposition or weight loss

  33. 5 out of 5

    Larry Gabriel (verified owner)

    Add extra reps and increase cardio

  34. 5 out of 5

    Merman (verified owner)

    The best sarm for sports!

  35. 5 out of 5

    Justin P (verified owner)

    Noticeable gains in duration.

  36. 5 out of 5

    Larry Gabriel (verified owner)

    increased reps and aerobic stamina

  37. 4 out of 5

    Ruben Abounaja (verified owner)

    Subject leaned out

  38. 3 out of 5

    ranger91580 (verified owner)

    Although energy levels were not through the roof, this product will be tested again with different dosage.

  39. 5 out of 5

    Mjjc5291 (verified owner)

    Significant boast in cardiovascular endurance when using twice a day. Noticeable stamina increase while researching this product! Would use again

  40. 5 out of 5

    MiaG (verified owner)

    Best product yet. Feel very energized after this product.

  41. 5 out of 5

    louis warner (verified owner)

    Subject went from lifting 45 minutes & cycling 20-30 minutes combined to lifting well over an hour and cycling 45-60 minutes combined after just about two weeks.

  42. 1 out of 5

    Torre Tyson (verified owner)

    Brutal. No difference. Doubled, then tripled dosage, still nothing.

  43. 5 out of 5

    kris (verified owner)

    Subject activity increased dramatically

  44. 5 out of 5

    M. Grant (verified owner)

    I am very surprised at how well this actually works. Makes the test subject feel energetic like the old Adderall days… Endurance has been dramatically increased.

  45. 4 out of 5

    ukaserex (verified owner)

    Like the Light blue Stenabolic, these are for cardio/fat loss. The two together seemed to help me – but I thought it could easily be one doing everything, and the other doing nothing – except for the fact I started subject taking Stenabolic alone, then later combined the two, then stopped taking the Stenabolic due to the every 4 hour suggested use. It’s my anecdotal experience that suggests separately, an impact can be determined, but it’s hard to notice, particularly if everything else – diet, sleep, etc are in check. But combined, when sleep isn’t that great, that’s when I noticed performance having a slight upward trend. Based on that – I say get both.

  46. 3 out of 5

    ukaserex (verified owner)

    Presumably, the suggested use for this is for cardio/fat loss.

    As someone who’s known to watch his pennies…this product had me concerned, due to the short half-life, and needing to take them every 4 hours. That’s …damn often, for folks who are busy! So, do they work? I think they do. I can’t say how much because when you’re in a calorie deficit, you’re going to lose weight. It’s really tough to say how much of an impact they have.

    But, when you’re trying to improve your fitness, you reach a point where you have to go for tiny, marginal gains and hope they add up to something measurable. In the case for my reserach, they have. I cannot say how much is from this product, but I believe it’s had some impact.

    I’m no fan of needles, so I’m not measuring anything in lab subject’s blood, before or after. I can say I stopped adminstration for the past 2 months out of concern for natural testosterone levels (there are warnings about that if you use continuously), and I am fairly certain the lack of them has been evident in the lack of progress, despite all other things being the same.

    Bear in mind, I have been administering with multiple SARMs in a stack, so tough to say which is doing what.

  47. 5 out of 5

    Tommy Chay (verified owner)

    Helped lean mass and extra recovery time!!

  48. 5 out of 5

    Richard Burdett (verified owner)

    Reps went up a lot and started having more energy within days

  49. 5 out of 5

    Jonny Klause (verified owner)

    My lab subject turned from being unable to run a mile, to running several miles then riding a bike for even more miles. My lab subject also got very lean from this. I highly recommend your lab rat try this

  50. 5 out of 5

    Bsfstr2 (verified owner)

    Research subject leaned out within a few weeks – highly recommended

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