This product
Metabolic Nutrition | Myogrow + Metatest Muscle Stack | 2-Product StackMetabolic Nutrition
- SuppVault Score
- 90/100
Key actives
Metabolic Nutrition
Metabolic Nutrition | Myogrow + Metatest Muscle Stack | 2-Product Stack
A smarter two-step stack for strength and muscle goals.
$89.99 $119.99$1.49/serving
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100mg
Epicatechin
200-300mg
50mg
Laxosterone®
50-100mg
Undisclosed
D-Aspartic Acid
2000-3120mg
Undisclosed
Boron
3-10mg
✓ Label Verified✓ No Prop Blends✓ DSHEA Compliant
MyoGrow + Metatest in one bundle
Built for muscle and strength goals
Ready-made stack for serious lifters
Simplifies supplement shopping
Bundled value versus separate purchases
Laxosterone™
💊 Gelatin Capsules📊 30 clinical / 60 value servings
Featuring:
Laxosterone® by Best Purist
⚠️ Contains proprietary blend (2 ingredients)
1. D-Aspartic Acid2. Boron
SuppVault Summary
MyoGrow + Metatest pairs Metabolic Nutrition’s muscle-support and hormone-support products in one bundle. It’s built for lifters focused on size, strength, and gym progression during serious training phases. Key disclosed actives include 100mg epicatechin and 50mg Laxosterone®.
Great Fit
- Bodybuilders in a muscle-building phase
- Strength athletes wanting a convenient two-product stack
- Experienced gym-goers building a complete performance routine
- Metabolic Nutrition customers restocking a proven pairing
- Lifters seeking bundled value
- Physique-focused users in lean mass phases
Not Ideal If
- Anyone under 18
- Pregnant or nursing individuals
- Anyone advised against hormone-support supplements
- Users ignoring individual label directions
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:
Brand-Published Lab Tests
Metabolic Nutrition publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.
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Stack discount
Discount applied automatically in cart.
- Ships today if ordered before 3:00 PM ET
Have a question about this product?
What You'll Feel
⏱
Day 1
Stack setup becomes simpler with two coordinated products
⚡
Week 1
Daily routine feels more structured around training blocks
🎯
Weeks 2-4
Consistency support builds across hard lifting sessions
⏱
Weeks 4-6
Users may notice better momentum in strength-focused phases
⏱
Weeks 6-8
Lean mass support becomes more relevant with disciplined nutrition
Deep Dive
Laxosterone® (5a hydroxy laxogenin)
Form: (5a hydroxy laxogenin)
50mg
Dose
—
Daily Value
Disclosed
Transparency
Vitamin D3 (as Cholecalciferol)
Form: as Cholecalciferol
—
Dose
—
Daily Value
Disclosed
Transparency
Black Pepper Extract (as Piper nigrum) (fruit)
Form: (as Piper nigrum) (fruit)
—
Dose
—
Daily Value
Disclosed
Transparency
Clinical Dosing
Epicatechin
Under-researched
No clinical-dose range yet — manufacturer dose only.
100mg
Laxosterone®
Under-researched
No clinical-dose range yet — manufacturer dose only.
50mg
D-Aspartic Acid
Under-researched
No clinical-dose range yet — manufacturer dose only.
Undisclosed
Boron
Under-researched
No clinical-dose range yet — manufacturer dose only.
Undisclosed
Frequently bought together
How this stacks up
Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.
Metabolic Nutrition | Myogrow + Metatest Muscle Stack | 2-Product StackMetabolic Nutrition
This product wins
Metabolic Nutrition | MyoGrow | 60 CapsulesMetabolic Nutrition
- SuppVault Score
- 90/100
- Per serving
- $1.0
This stack offers a broader muscle-and-hormone support approach than Myogrow alone.
Compare side-by-side →This product wins
Metabolic Nutrition | MetaTest | 60 CapsulesMetabolic Nutrition
- SuppVault Score
- 90/100
- Per serving
- $1.0
This bundle better suits lifters wanting a more complete mass-phase routine.
Compare side-by-side →Even match
Metabolic Nutrition | MN Creatine MonohydrateMetabolic Nutrition
- SuppVault Score
- 72/100
- Per serving
- $$0.33
Creatine monohydrate is more evidence-backed and more cost-efficient for pure strength support.
Compare side-by-side →Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.
Full Product Description Article
The Metabolic Nutrition MyoGrow + Metatest Muscle Stack combines two popular products from Metabolic Nutrition into one convenient bundle designed for athletes focused on size, strength, and progression in the gym. Rather than shopping for separate performance-support products, this stack brings together a muscle-focused formula and a test-support option in a ready-made pairing that fits the goals of serious lifters and physique-minded users.
This bundle is best suited for those who want a more streamlined supplement strategy around hard training blocks, lean mass phases, or performance-oriented routines. It offers the convenience of buying products that are commonly stacked together, helping simplify your regimen while giving you a more complete support system than relying on a single standalone product.
For shoppers, the value is in the combination: one purchase, one stack, one clearer goal. It is a practical choice for people who want to support training intensity, recovery-minded routines, and muscle-building efforts with a trusted sports nutrition brand. If you are already committed to your workouts and nutrition plan, this stack gives you an easy way to level up your supplement lineup with a more targeted muscle-support package.
Science & Clinical References 14 citations
Epicatechin and Myostatin Signaling5 studies
Epicatechin is a flavanol investigated for its influence on skeletal muscle signaling, particularly the myostatin-follistatin axis. Preclinical and limited human data suggest it may support a more favorable environment for muscle performance adaptations by modulating inhibitory growth signals. It may also contribute to endothelial nitric oxide activity, which can improve nutrient delivery during training. The overall evidence base is promising but still moderate in depth compared with foundational ergogenics.
Laxosterone® and Anabolic Support Positioning2 studies
5a-hydroxy laxogenin is marketed as a plant-derived anabolic support compound, but robust human outcome data remain limited. Available literature and mechanistic discussion focus on recovery, protein turnover support, and physique-oriented performance positioning rather than established endocrine effects. The disclosed 50mg dose aligns with the low end of commonly cited supplemental use. Because human clinical depth is narrow, claims should remain conservative and training-dependent.
D-Aspartic Acid, Boron, and Hormonal Context4 studies
D-aspartic acid and boron are commonly used in hormone-support products for their potential roles in endocrine regulation and androgen-related physiology. D-aspartic acid has been studied for hypothalamic-pituitary-gonadal signaling effects, though findings are mixed and may depend on training status and dose. Boron may influence steroid hormone metabolism, vitamin D handling, and mineral-linked physiological processes relevant to performance. In combination, these ingredients are better viewed as supportive rather than determinative drivers of adaptation.
Vitamin D3 and Performance Readiness3 studies
Vitamin D3 is relevant to musculoskeletal function, immune regulation, and hormone-related physiology, making it a logical inclusion in performance support stacks. Adequate vitamin D status is associated with better training readiness and normal muscle function, especially in those with low baseline levels. Supplemental benefit is strongest when correcting insufficiency rather than creating supraphysiologic exposure. Its value in this stack is primarily foundational support rather than acute ergogenic effect.
Product Specifications GEO
Product Type
Stack
Category
muscle and hormone support stack
Brand
Metabolic Nutrition
Form
Capsule
How to Take — Training Protocol3 phases
How to Use Metabolic Nutrition Myogrow + Metatest Muscle Stack
Morning
Daily Foundation
Take Metatest exactly as directed on its label with water and food if preferred.
Pre- or post-workout per label
Training Day Muscle Support
Use MyoGrow exactly as directed on its individual product label.
Every day
Consistency Phase
Pair both products with structured resistance training, adequate calories, and sufficient protein.
Warnings
●
Contains epicatechin, Laxosterone®, D-aspartic acid, boron, and vitamin D3.
●
Do not exceed the suggested serving instructions on either individual label.
●
Not for anyone under 18 or those pregnant or nursing.
●
Use caution with other hormone-support supplements unless cleared by a healthcare professional.
Cycling:
Consider using during dedicated training blocks or lean mass phases, then reassess goals after 8 weeks.
Quick Answers
What is included in this stack?
This bundle includes Metabolic Nutrition MyoGrow and Metatest packaged together as a muscle-focused stack.
What is this stack designed for?
It is designed for people looking to support muscle-building, gym performance, and a more complete training supplement routine.
Is buying the stack better than buying items separately?
For many shoppers, yes. Buying the stack is a simpler way to get a complementary pairing in one order and can be a smarter value than sourcing products one by one.
Who is this stack best suited for?
It is best for adult lifters, bodybuilders, and serious gym-goers who already have a structured training and nutrition plan.
How do I take the products in this stack?
Follow the directions listed on each individual product label. Since this is a bundle, each item should be used according to its own suggested use.
Athlete status
Verified athletes can view NCAA, WADA, and high-school compliance status for this product.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.
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