RAD 140 LGD 4033 Stack: Why It’s a Bad Idea

When exploring ways to enhance muscle growth and athletic performance, many turn to Selective Androgen Receptor Modulators (SARMs). Among the most popular SARMs are RAD 140 (Testolone) and LGD 4033 (Ligandrol).

While both have shown potential individually, a RAD 140 LGD 4033 stack is often suggested but is NOT advisable.

Here’s a comprehensive guide explaining why stacking RAD 140 and LGD 4033 won’t work and why it can be a bad idea.

RAD 140 (Testolone): This SARM is known for its potent anabolic effects, mimicking testosterone to increase muscle mass and strength.

It selectively binds to androgen receptors in muscle tissues, promoting muscle growth without many of the side effects associated with traditional anabolic steroids.

LGD 4033 (Ligandrol): Ligandrol is another powerful SARM that enhances muscle mass and strength by selectively binding to androgen receptors in muscles and bones.

It’s well-regarded for its ability to provide substantial muscle gains with fewer side effects than steroids.

Why Stacking RAD 140 and LGD 4033 Is Ineffective

Affinity Rate and Competition

Competing for Receptors: Both RAD 140 and LGD 4033 have high affinity rates for androgen receptors. When stacked together, they compete for the same receptors, which can diminish the effectiveness of each compound. Instead of enhancing each other’s effects, they end up competing against each other, leading to suboptimal results.

Risk of Side Effects

Increased Side Effects: Stacking two powerful SARMs increases the risk of side effects. Potential side effects include suppression of natural testosterone production, liver toxicity, and cardiovascular issues. The combined burden on the body can lead to more pronounced and harmful side effects than taking either SARM alone.

Bad Advice from Forums

Various forums like Reddit and SARMs.io often discuss stacking SARMs without scientific backing. For instance, some users claim that stacking RAD 140 and LGD 4033 will lead to “double the gains” without providing evidence. Such advice is misleading and can result in harmful consequences.

Safer alternatives to rad 140 lgd 4033 stack

Alternatives to RAD 140 and LGD 4033 Stack

Instead of stacking RAD 140 and LGD 4033, consider these more effective and safer alternatives:

1. RAD 140 and Cardarine Stack

  • Dosage: RAD 140 at 10-20 mg per day and Cardarine at 10-20 mg per day.
  • Benefits: While RAD 140 enhances muscle mass and strength, Cardarine improves endurance and fat loss without competing for androgen receptors.

2. LGD 4033 and YK-11 Stack

  • Dosage: LGD 4033 at 5-10 mg per day and YK-11 at 5-10 mg per day.
  • Benefits: LGD 4033 provides substantial muscle gains, while YK-11, a myostatin inhibitor, can further enhance muscle growth by allowing more muscle cells to grow.

Safe Stacking Practices

Stacking Guidelines

  • Understand Each SARM: Before stacking, research each SARM’s mechanisms, benefits, and side effects.
  • Start Low and Go Slow: Begin with lower doses to assess tolerance and gradually increase if needed.

Post-Cycle Therapy (PCT): Always have a plan for PCT to restore natural testosterone production after the cycle.


Effective SARM Stacks

Stack OptionSARM 1DosageSARM 2DosageBenefits
RAD 140 + CardarineRAD 14010-20 mg/dayCardarine10-20 mg/dayEnhanced muscle growth, improved endurance
LGD 4033 + YK-11LGD 40335-10 mg/dayYK-115-10 mg/daySignificant muscle gains, enhanced muscle growth
RAD 140 + YK-11RAD 14010-20 mg/dayYK-115-10 mg/dayMuscle growth, strength, and increased myostatin inhibition


While the idea of stacking RAD 140 and LGD 4033 may seem appealing for maximizing gains, it is not a wise choice due to receptor competition and increased risk of side effects.

Instead, consider more effective and safer stacks like RAD 140 with Cardarine or LGD 4033 with YK-11. Always prioritize research, safe practices, and proper post-cycle therapy for optimal results.

For more detailed information on SARMs, visit SARMS 101 and explore various SARMs like LGD-4033, YK-11, and Cardarine.

Frequently Asked Questions (FAQs)

Why shouldn't I stack RAD 140 and LGD 4033?

Stacking RAD 140 and LGD 4033 is not recommended because both compounds have high affinity rates for androgen receptors, leading to competition and reduced effectiveness. Additionally, stacking increases the risk of side effects, including testosterone suppression and potential liver toxicity.

What are some safer alternatives to stacking RAD 140 and LGD 4033?

Instead of stacking RAD 140 and LGD 4033, consider these safer and more effective alternatives:

  • RAD 140 and Cardarine Stack: RAD 140 (10-20 mg/day) with Cardarine (10-20 mg/day) for enhanced muscle growth and improved endurance.
  • LGD 4033 and YK-11 Stack: LGD 4033 (5-10 mg/day) with YK-11 (5-10 mg/day) for significant muscle gains and enhanced muscle growth.

What should I consider before stacking SARMs?

Before stacking SARMs, research each compound’s mechanisms, benefits, and potential side effects. Start with lower doses to assess tolerance, and gradually increase if needed. Always have a post-cycle therapy (PCT) plan to restore natural testosterone production after the cycle.

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