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PUMP (S-23)
£78.97 Original price was: £78.97.£59.97Current price is: £59.97. Add to basket

PUMP (S-23)

Original price was: £78.97.Current price is: £59.97.

  • Next Day Delivery (UK) / Free International Shipping
  • HPLC Tested
  • 99% Pure SARMs
  • Highest Rated SARMs Supplier
(89 customer reviews)

UK SARMs – PUMP (S-23) is one of the newest and most potent SARMs on the market.

  • 100% Money Back Guarantee
  • Next Day Delivery (UK) / Free Express Shipping Worldwide

S-23 is a product that has a strong binding affinity to Androgen Receptors in the body and therefore produces similar results to injectable anabolics. As a SARM it is the strongest SARM and as a result currently the closest available SARM to anabolics.

It is non-toxic and can enable users to bulk up and drop fat which is why this product is extremely popular in the performance enhancing world.

* 99% Pure SARMs
* Pharmaceutical grade
* Manufactured in the UK
* Compounded by UK SARMs’ Pharmacologist
* HPLC Tested
* Free Next Day Delivery UK / Free International Shipping
* Scientific-backed advice and assistance

These products are not for use in preventing, curing, or treating a particular disease or ailments. Sold for research purposes only. Not sold for human consumption.


Product Name S23
Alternative Name PUMP
Molecular Formula C18H13ClF4N2O3
Concentration 20mg/ml
Volume 30ml

Our Guarantee

We make some of the highest quality products in the world, and we want to make sure we back that up with a risk-free 90-day guarantee.

If you don’t have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.

Buying items online can be a daunting task, so we want you to realise that there is an absolute ZERO risk in buying something and trying it out.  If you don’t like it, no hard feelings we’ll make it right.

We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance.

89 reviews for PUMP (S-23)

  1. Kayden (verified owner)

    Good quality.

  2. Lars

    Top quality stuff. Don’t knock it until you try it

  3. Angus

    Best sarm around. Eat, sleep, train and repeat!

  4. Raj

    Thanks guys, great product. Been using this for a long period of time and I can safely say it 100% works!

  5. Bill

    Good pump ✅????

  6. George

    If you’re looking to bulk or cut. You’ve come to the right place. I bulk in the winter season and cut for the summer and since taking this Sarm it has transformed my physique to a whole new level! Get you’re pump on people!

  7. Graham

    4 weeks into my training regimen. Excited to see future results. Will order again.

  8. Brian

    Fast shipping, excellent customer service. Will purchase again for sure.

  9. Berty

    Finally after all these years I have found a product that actually works. Quality product once again from UK sarms

  10. Paul M

    Results don’t lie! Consistency does!

  11. Barry L

    5 stars for transforming my body & finally investing in my health. I wish that I knew about this supplement sooner…

  12. Bradley

    SARMS UK changing the game once again. Let’s get it guys????????????????

  13. Wilson

    Size and strength has always been my downside. Not anymore. This is my 2nd cycle since I got back into the gym and I look and feel like a new man. A very happy customer all the way from Denmark

  14. Garza

    Closest thing you’ll ever get to steroids. Except this doesn’t damage you’re body and shrink you’re nuts????

  15. Andre

    Ideal for body builders who are fitness mad like myself!

  16. Scott

    Good product. SARMS have never let me down.

  17. Malik

    Since I fount this product it’s clear as day to me that half of these so called “supplements” that are sold on the market do not WORK. UK sarms are the only place that I trust. Good quality supplements.

  18. Mario

    Huge gains. Do not sleep on this product!!!!!

  19. Tony

    Superior gains. Bench press has increased, dead lifts have increased and my biceps are 2 inches bigger. No supplement will give you “a beach body” you still need to keep a strict diet whilst pumping that iron daily. Patience is a virtue. Trust me!

  20. Alex C

    Very happy with this order

  21. Rocky

    Quality, efficient & genuine.
    3 words that describe this awesome company.

  22. Dominic

    Been using PUMP S-23 for six weeks now and amazed by how lean I look

  23. Freddie P

    Great product. Hitting new PBs all the time ????

  24. Christopher

    Insanely fast delivery ????

  25. jonathan

    Experienced no water retention which is amazing. The increase in strength is continuously at a high ????

  26. Andrew F

    Working hard at the gym and pushing myself whilst taking S-23 has resulted in my becoming stronger and leaner ????

  27. Thomas

    Energy levels have skyrocketed. So happy with the results so far

  28. wayne

    Nothing but genuine products and great customer service!

  29. Junior

    As a bodybuilder the fact that I am able to build muscle and have no water retention is amazing. PUMP S-23 is my go to when trying to build muscle and become stronger.

  30. Chris Penny

    Perfect sarm for bodybuilders! Really a helping handing when building a better physique ????

  31. Lennie

    Couldn’t recommend enough.

  32. Harry

    Never felt so focused and ready to hit the gym.
    Will most certainly purchase more of this SARM.
    Thanks guys????????

  33. James

    This gives me insane pump and energy

  34. Matthew Seal

    This is giving a pump more than I have ever had before. Well worth the buy

  35. Jamie

    Brilliant product guys????????????

  36. Zack

    Brilliant for later workouts and gives a strong pump

  37. Marcus

    Gives you a sick pump, I stacked mine with C4 and creatine, good stuff.

  38. Marco L

    Gaining weight has never been easier since using this SARM… very impressed!

  39. Dominic

    This works it’s as simple as that!

  40. Kumara


  41. Gavin

    Had great Gains, put 6lb on it 2 weeks no fatigue, no soreness lifting training everyday . At 50 I feel like I’m in my 30s again

  42. Wayne H

    Early days but so far so good..

  43. Josh

    High quality products at an affordable price.
    What isn’t to love??

  44. Richie

    I’m definitely seeing positive changes since using this product therefore I will order again????????????

  45. Michael

    Well I have to give it time to hopefully Start working but as for everything else! The price is unbelievable low for what it is it came within a few days there’s plenty of information so it’s definitely a good product

  46. Gabby

    My boyfriend is actually the one using this product, not me. But he loves it! He’s already gained 5 pounds just in two weeks. His appetite is much larger and he’s gaining muscle.

  47. Brandon

    Was very skeptical at first but after just a few short weeks i have to say i am VERY happy with this product and my results so far. I have had issues gaining weight my entire life

  48. Patrick

    t seems to be working! A few weeks in and I have gained about 5 or 6 lb. I just eat one or two before a meal and I am able to eat SO much more!

  49. Sasha

    It’s like they work then they don’t. If you use protein powder with this you’ll see a difference

  50. John little

    This helps gain weight very fast and also gives a good appetite so you keep weight

  51. Steven

    I like that the shipping was very fast and the product is helping alot

  52. Liam smith

    Saw results in a few days!! Great product

  53. Paulie

    This is the best for gain weight.

  54. Jamie

    Science actually works

  55. Michael K

    You see results in 2 weeks ive always have a problem gaining weight

  56. Jonny

    Fast shipping, cheers!????????????????

  57. James W

    Fantastic!! Fast delivery. Great service, would recommend to anyone.

  58. Robert

    Very happy with all products purchased : ) Genuine products, great results. Always on time if not sooner than time advised. Definitely my recommend everyone to use these guys. Thanks ????

  59. John K

    Top quality product, fast efficient delivery and great prices always. Highly recommend these products if you’re serious about training and only using the best products to support your fitness goals.

  60. Michael

    Sick quality supplements and a decent price, would recommend for sure

  61. Winston

    the results have been very Impressive and have complimented my training to perfection.

  62. Dave

    Having tried all sorts of supplements to aid my training these have been to date the most effective

  63. Richard D

    I highly recommended Uksarms for all your needs whether bulking or cutting.

  64. Joseph P

    I’ve bought a few products from here before. The team have always been excellent in communicating with me to ensure that you get the exact products that help you towards your goals.

  65. Thomas C

    I have been taking this on a cut and the results have been amazing, Top notch stuff.

  66. Charles

    Started use in april until july while beginning working out and gained 15 lbs of lean body mass according to my dexascan
    I take 2 a day everyday and plenty of protein and its done wonders for me

  67. Christopher

    The muscle is flying on

  68. Daniel

    My blood work is good. No side effects. Very happy

  69. Matthew Y

    It gives me a generally improved mood and a positive staye of mind too.

  70. Anthony

    I cant believe how good this stuff is.

  71. Mark

    What more do you want dropping body fat and increasing muscle mass! So glad my trainer told me about uksarms!

  72. Donald

    Happy with product

  73. Steven F

    I would recommend to anybody who is new to cycles or worries about side effects that other substances cause.

  74. Paul

    I’m astonished. Stronger every week.

  75. Andrew L

    Great supplement

  76. Josh H

    A nice little push to getting to my fitness goal!

  77. Kenny

    Been running this on it’s own for roughly 2 months and can honestly say I’m the strongest/biggest I’ve ever been.

  78. Brian

    Consistently hitting PB’s every other week.

  79. George

    Would recommended trying for people who don’t want to hop on anything too serious/severe

  80. Edward T

    Defo a increase in strength,every week hit a PR.Would defo use again

  81. Robbie

    Great product!

  82. Timothy E

    Gives me a nice boost in energy and overall feeling when exercising!

  83. Jason

    Noticed improvement in performance even with being restricted to home workouts!

  84. Ryan I

    Best company for any supplements!

  85. Ismail

    Speedy delivery. Happy with service will use again.

  86. Jacob G

    works really good and no side effects.

  87. Johnny

    I had a good gains with proper training and diet.

  88. jerry

    Im now able to endure tougher sessions for more extended periods

  89. Douglas

    the longer and harder you work out, the better results you can expect.

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