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Complete Stack 4 Products
MK677
RAD140

Muscle Building Bundle

Complete Muscle Building Stack

4.9 (61 reviews)

€195.00 €225.00 Save 13%

What’s Included

  • 1x Ligandrol (LGD4033) - 60 capsules
  • 1x Testolone (RAD140) - 60 capsules
  • 1x Ostarine (MK2866) - 60 capsules
  • 1x Ibutamoren (MK677) - 60 capsules

Safe & Secure 3D Checkout

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Lab Tested

Lab Tested

Third-party verified

Fast Shipping

Fast Shipping

3-5 business days

24/7 Support

24/7 Support

Expert guidance

Product Description

The ultimate muscle-building bundle combines four of the most effective SARMs for maximum muscle growth and strength gains. This carefully curated bundle includes Ligandrol, Testolone, Ostarine, and Ibutamoren, working synergistically to accelerate your muscle-building journey.

Each product is manufactured to pharmaceutical standards and third-party tested for purity. This bundle is designed for serious athletes looking to achieve their maximum muscle-building potential with a comprehensive approach.

61 reviews for Muscle Building Bundle

  1. admin-core-sarms-wp –

    Great product, noticed improvements in sleep quality and recovery. Fast shipping and professional packaging.

  2. Sarah M. –

    Solid product with consistent results. Customer service was helpful when I had questions.

  3. Youssef Benali –

    Best purchase ever. EVER.

  4. Daniel Cohen –

    Good shiiit

  5. Julian Becker –

    Good

  6. Noam Levi –

    I will be buying again from here,

  7. Ryan McCarthy –

    My stack came in about 6 days… faster than I thought… My favourite definitely is MK.

  8. Avi Rosenberg –

    I got my order late, but i did get it.

  9. Stefan Popov –

    Great price for all of that.

  10. Georgios Nikolaou –

    I am very satisfied

  11. Emil Andersen –

    Bargain

  12. Niko Virtanen –

    Delivery time was a bit slow, but all bottles came intact, that’s good

  13. Roberto Alvarez –

    hard to swallow but the effect is worth it:)

  14. Hassan Mahmoud –

    Great product It increases strength and muscle mass

  15. Fernando Castillo –

    Good 10/10 10/10

  16. Omar Khalid –

    only started feeling the effects after the third week, but after that, oh boy—I felt it.

  17. Karim Haddad –

    I hate it. I needed to change all my shirts because they didn’t fit, lol.

  18. Paul Schneider –

    Unbelievable how fast it all happened! Recommend but be careful it works faster then you think.

  19. Peter Green –

    Tried the muscle building stack, took each compound at 10mg. MK-677 gave me the appetite boost I needed to gain size, muscles started feeling fuler on week 2. Also the most important part that helped me was the rekovery time between sets. Overall a really balanced stack that works good together. The only thing I would run LGD-4033 5mg instead of 10mg.

  20. Haim Saturnino –

    Holy moly the results were amazing

  21. Agata Radosław –

    Gains from this stack are out of this world

  22. Marin Fred –

    My arms got too big😅

  23. Vito Jytte –

    FABULIOS!!

  24. María C. Torin –

    All of my friends are in shock form my transformation

  25. Edmund Joachim –

    11/10 RECOMMEND!!

  26. Edric Ethan –

    After this I can finally look at myself in the mirror

  27. Nando Myles –

    I am going to purchase this again, no doubt

  28. Agapito Jeremías –

    Wasn’t expecting such great results

  29. Apollinaire Gearóid –

    I loved this, now its time to try something different

  30. Ritchie Daly –

    This is the best stack that you can get your hands on

  31. Grenville Saturday –

    Amazing stack

  32. Jojo Dana –

    My recovery is to the max!

  33. Jericho Spencer –

    Legit stack

  34. Burton Ernie –

    no complants at all

  35. Rupert Paulie –

    Its good, cant commplain about the compounds but seems a bit overpriced..

  36. Tracy Chozen –

    all of those combine really good toghether

  37. Gary Sandoval –

    Good👍

  38. Ernest Stanton –

    Top quality right here

  39. Brian Salazar –

    Enjoyed it, would purchase again

  40. Cameron Calhoun –

    When purchased this, I thought that I would be drownin in side effects and there would be no benefit from it, but god I was wrong… feels like all of my attributes(recovery, strength, etc.) buffed 50%

  41. Jimmy Eastwood –

    Good bundle👍

  42. Stephen Hubbard –

    Nothing negative to say about it

  43. Stewart Jones –

    This is my favourite bundle out of all of them

  44. Desmond Newell –

    Nothing redundant here

  45. Brett Tate –

    Good but pricey

  46. Bradley Mercer –

    Loved it, going to order it again after some time.

  47. Mustafa Blake –

    I took every compound solo

  48. Oliver Lamb –

    Next time I would order some support supplements, but still it was pretty good

  49. Jago Greer –

    Best stack I have tried in my life

  50. Maximus Church –

    Its an amazing bundle for a experienced guy

  51. Tony Harris –

    Im impressed, didnt think that it would work that well

  52. Conrad Blake –

    All of the products there feel really pure

  53. Jonathan Wilks –

    Overall a good stack, can’t complain

  54. Justin Duggan –

    Shipping took a little longer, but the bundle itself was good

  55. Victor Dunn –

    Thought i knew what a good pump felt like until week three hit. something about this stack just keeps the muscle full all day, not just in the gym

  56. Barry Porter –

    My physique is transforming every day and I havent even changed anything in my workouts

  57. Gareth Oxley –

    Okay I was running the mk677 and lgd stack before but decided to go all in on the full stack this time and wow what a difference. The rad140 on top of everything else really takes it to another level.

  58. Ramesh McMillan –

    4 weeks in on the stack and things are moving in the right direction for now at least

  59. Jeffery Owen –

    4 weeks in – mirror doesn’t lie stack is working for sure

  60. Ismail Sadler –

    Been running the muscle building stack for about 5 weeks. what stood out most was how everything just complements each other, energy in the gym is up, body composition is visibly changing and workdays feel less draining overall. gradual but very real progress

  61. Christian Stafford –

    everything just feeds into each other. recovery is up, training is more productive and the physical changes are becoming hard to ignore. 5 weeks in and still progressing

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What are the Key Benefits of SARMs Muscle Building Bundle?

Maximum muscle growth

Maximum muscle growth

Enhanced strength

Enhanced strength

Improved recovery

Improved recovery

Better sleep quality

Better sleep quality

Increased bone density

Increased bone density

Synergistic effects

Synergistic effects

Ingredients & Dosage

Active Ingredients

Ligandrol (LGD4033)

10mg per cap

Lean muscle building

Testolone (RAD140)

10mg per cap

Strength and power

Ostarine (MK2866)

10mg per cap

Muscle preservation

Ibutamoren (MK677)

10mg per cap

Growth hormone support

Purity & Quality

Third-party lab tested Third-party lab tested
99%+ purity guaranteed 99%+ purity guaranteed
24-month shelf life 24-month shelf life

How Does Muscle Building Bundle Work?

This muscle-building bundle works by targeting multiple pathways for muscle growth simultaneously. Ligandrol and Testolone provide powerful anabolic effects, while Ostarine ensures muscle preservation and recovery. Ibutamoren supports the entire process through enhanced growth hormone release.

The combination creates a synergistic effect where each compound enhances the others’ benefits, resulting in faster and more substantial muscle gains than any single compound alone. The bundle addresses all aspects of muscle building: protein synthesis, recovery, strength, and hormonal support.

Users typically experience rapid strength gains, improved recovery, better sleep quality, and substantial muscle growth throughout the cycle.

Key Actions

1 Activates multiple anabolic pathways
2 Enhances protein synthesis and recovery
3 Supports natural growth hormone release

How to Use Muscle Building Bundle?

Dosage

Dosage

Follow individual product dosing

Timing

Timing

Spread throughout the day with meals

Cycle Length

Cycle Length

8-12 weeks followed by a 4-week break

Important

Important

Dietary supplement use only

Important Notes

Start with lower doses if new to stacking. Monitor response carefully.

Looking for something else?

Is improving recovery, sleep quality, and overall anabolic environment your primary goal? Explore Bulking Bundle available at CORE SARMS.

Frequently Asked Questions

The bundle includes Ligandrolli (LGD4033), Testolone (RAD140), Ostarine (MK2866), and Ibutamoren (MK677) – a complete muscle-building stack.

Users typically gain 6-11 kilograms of muscle during an 8-10 week cycle with proper diet and training.

This stack is recommended for intermediate to advanced users who have experience with individual SARMs first.

Follow the individual dosing guidelines for each product. Start with lower doses if stacking for the first time.

This stack is generally well-tolerated when used responsibly. Some users may experience mild effects such as temporary fatigue, increased appetite, or minor water retention. Always follow dosing guidelines and monitor your body’s response.

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Customer Reviews

4.89 out of 5 (61 reviews)
Christian Stafford
2026-06-28

everything just feeds into each other. recovery is up, training is more productive and the physical changes are becoming hard to ignore. 5 weeks in and still progressing

Ismail Sadler
2026-06-26

Been running the muscle building stack for about 5 weeks. what stood out most was how everything just complements each other, energy in the gym is up, body composition is visibly changing and workdays feel less draining overall. gradual but very real progress

Jeffery Owen
2026-06-20

4 weeks in - mirror doesn't lie stack is working for sure

Write a Review


Muscle Building Bundle

Muscle Building Bundle

€195.00