UNALTERED Athletics
Black and red Muscle Builder supplement bottle with product box, highlighting key ingredients and benefits.
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UNALTERED Muscle Builder supplement compared to generic brands, emphasizing science-backed formula and tested doses.
Muscular man lifting dumbbell alongside ingredient visuals like ginseng, zinc, ashwagandha, and tribulus.
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Supplement facts label showing vitamins, herbs, and minerals included in Muscle Builder formula.
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UNALTERED Muscle Builder

💪Build Strength, Boost Testosterone & Maximize Muscle Recovery*

Introducing the UNALTERED App

Start Your Journey The Right Way

The all-in-one fitness, nutrition, supplements, and progress tracking app built to help you lose weight and stay consistent.

  • Track Your Progress

    Log weight, upload photos, and visually see your transformation.

  • Smarter Nutrition Tracking

    No manual inputs needed. Simply take a photo of your food or enter a description.

  • Structured Workouts

    Track workouts and save templates for consistency.

  • Supplement Logging

    Log UNALTERED and everyday supplements daily—or add your own custom items.

Learn More

Don't just take our word for it...

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Key Product Benefits

Backed by clinical studies to help men build lean muscle, maintain vitality, and recover faster — naturally and without synthetic hormones.*
Key Product Benefits
Increase Strength & Muscle Size
Ashwagandha extract has been shown to significantly increase 1-rep max strength and muscle size when combined with resistance training.*
Enhance Performance & Recovery
Korean Red Ginseng helps reduce muscle soreness, boost energy, and speed up recovery after intense workouts.*
Support Healthy Testosterone
Vitamin D3 and Tribulus Terrestris help maintain healthy testosterone levels and male hormone balance, especially in aging men.*
Reduce Fatigue & Improve Focus
Ashwagandha and Ginseng support adrenal health, reduce physical and mental fatigue, and help you stay focused through long training sessions.*

Real People • Real Results • Real Reviews

Why Choose Us

FeatureUNALTERED®Other Products
Formulated by Biochemists
Clinically Tested Ingredients
Non-Hormonal
Made in the U.S.A.
90-Day Money Back Guarantee

Clinically Studied Ingredients That Bring You Results

Clinically Studied Ingredients That Bring You Results

Ashwagandha Root Extract (600 mg)

A powerful adaptogenic herb traditionally used in Ayurvedic medicine. Clinically shown to increase muscle strength, support testosterone levels, reduce exercise-induced muscle damage, and enhance recovery when paired with resistance training.*

Korean Red Ginseng (2,000 mg)

An energizing botanical known for its effects on vitality and performance. Research shows it can support testosterone production, reduce cortisol, improve erectile function, and accelerate post-workout recovery.*

Tribulus Terrestris Extract (450 mg)

A plant extract standardized for saponins, traditionally used for male vitality. Clinically studied to enhance testosterone levels, improve libido, and support urinary and reproductive health, especially in aging men.*

Vitamin D3 (100 mcg)

The "sunshine vitamin" that plays a vital role in hormone balance and immune health. Studies show it may raise testosterone in deficient men, improve energy levels, and boost endurance during exercise.*

Zinc (79 mg)

An essential trace mineral that supports immune function, testosterone production, and metabolic health. Also known to aid in fertility, wound healing, and cognitive performance.*

Boron Citrate (10 mg)

A trace element that helps regulate hormone activity. Emerging research suggests it may increase free testosterone, reduce estrogen conversion, and support bone and joint health in active men.*

UNALTERED Muscle Builder in the gym

Don't Let Weak Gains Stall the Strength You've Been Working For!

UNALTERED Muscle Builder is scientifically formulated to help men naturally increase strength, build lean muscle mass, and optimize testosterone levels—without the need for risky enhancers. With proven, clean ingredients like Ashwagandha and Tribulus Terrestris, this formula works with your body to enhance performance, improve recovery, and support healthy muscle growth so you can break plateaus and see real, lasting progress. If you've been training hard but not seeing the results you deserve, it's time to level up. Your strength deserves support, your drive deserves results, and your transformation starts today. Fuel your gains the smart way—with UNALTERED Muscle Builder.

90-Day Satisfaction Guarantee!

The Science

Clinically Proven to Boost Strength, Muscle Mass & Testosterone in Just 8 Weeks*

Clinically Proven to Boost Strength, Muscle Mass & Testosterone in Just 8 Weeks*

In a double-blind, placebo-controlled study of 57 young men undergoing resistance training, those supplementing with 600 mg of Ashwagandha root extract daily experienced a: +46.0 kg increase in bench press strength (vs. +26.4 kg placebo), +14.5 kg increase in leg extension strength (vs. +9.8 kg placebo), +8.9 cm² increase in arm muscle size (vs. +5.3 cm² placebo), +3.4% reduction in body fat (vs. +1.5% placebo), +96.2 ng/dL increase in testosterone levels (vs. +18.0 ng/dL placebo), Faster muscle recovery as shown by a significantly lower post-exercise rise in serum creatine kinase*

Proven to Enhance Strength, Muscle Growth & Endurance in Both Men and Women*

Proven to Enhance Strength, Muscle Growth & Endurance in Both Men and Women*

In a randomized, double-blind, placebo-controlled study of 80 active adults, participants who took 600 mg of standardized Ashwagandha extract daily for 8 weeks saw significant improvements in: Bench press and leg extension strength for both men (p = 0.0084 & 0.0049) and women (p = 0.0005 & 0.018), Muscle size (arm, chest, and thigh circumference) across both genders, Cardiorespiratory endurance, as measured by VO₂ max (p < 0.0001 for both men and women), Zero adverse effects reported throughout the trial*

Clinically Proven to Boost Endurance, Recovery & Stress Resilience in Athletes*

Clinically Proven to Boost Endurance, Recovery & Stress Resilience in Athletes*

In an 8-week, randomized, placebo-controlled study of 50 healthy athletic adults, those supplementing with 600 mg of Ashwagandha root extract daily experienced significant improvements in: VO₂ max, a key measure of aerobic performance (p = 0.0074 vs. placebo; p < 0.0001 vs. baseline), Total Quality Recovery (TQR) scores for faster and more complete physical recovery (p < 0.0001), Stress resilience and energy levels, including significant improvements in: Fatigue recovery (p < 0.0001), Lack of energy (p < 0.0001), Overall fitness perception (p < 0.0001), Antioxidant levels, indicating enhanced cellular protection and recovery (p < 0.0001), No adverse events were reported

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Easy To Use

Take 5 capsules daily, preferably with food. For best results, use consistently in combination with a resistance training program.

Need help with exercise and diet? We got you covered! Every order of UNALTERED supplements comes with free complimentary access to the UNALTERED App — a user friendly, AI-powered mobile app that provides you with personalized exercise and nutrition support!

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UNALTERED App

“Visible Results or We Pay You” Guarantee

We take all the risk so you don't have to.

100% Refund

Unconditional - no questions asked

  • Try it for 90 days
  • Not happy for any reason?
  • Get all your money back

120% Refund

Complete the Quick Start Checklist

  • Use the UNALTERED App
  • Finish the Quick Start steps
  • Still not satisfied? We refund 120%.
We pay YOU if it doesn't work.

You risk nothing. We risk everything.

UNALTERED Muscle Builder bundle image

Consistency is Key

Build Muscle Faster & Save More — Choose A Multi-Bottle Package

Let's be honest… one bottle can kick-start your journey. But if you're serious about packing on lean muscle and seeing gains that make people stare, consistency is king.

That's why our Mass Phase (3-Bottle) and Alpha Stack (6-Bottle) bundles fly off the shelves — they're built for real, head-turning transformation.

Picture this: ninety days from now your sleeves hug your arms, your bench press is up twenty pounds, and your kids ask to feel your “new guns.” That doesn't happen with a one-and-done mindset.

Plus, clinical studies show that Ashwagandha ramps up muscle growth over time. The longer you stay on track, the more muscle you build and the faster you recover.

So if you're ready to smash plateaus, crush PRs, and finally look as strong as you feel, don't sell yourself short.

👉 Choose the multi-bottle bundle. Save up to 20% (or 35%, if you choose the Subscription option). Stick with it. And show your family and friends what commitment really looks like.

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🧪 Not Another "Stock" Formula—A Clinical Creation.

⚠️ The Problem: Most Supplements Aren't Scientifically Formulated

The supplement industry is often called the Wild West — and for good reason.

Unlike prescription drugs, the FDA does not require pre-market approval for dietary supplements. That means anyone can put ingredients in a bottle and sell it as "health support."

Here's how many brands really create their formulas:

Unqualified staff member

Someone on the marketing team "researches" ingredients online.

Cheap, copy-paste formula

Manufacturers offer the same cookie-cutter blend to dozens of brands.

AI-generated formulas

Some companies even let algorithms design their supplements, with no real clinical vetting.

The result? Unproven, underdosed, and potentially unsafe products disguised as "science-backed nutrition."

At UNALTERED®, we do things differently.

✅ Our Solution: Expertly Crafted, Scientifically Verified

Every UNALTERED® formula — including UNALTERED Muscle Builder — is developed from the ground up by a biochemist and regulatory compliance expert with years of experience in clinical research and dietary supplement formulation.

Our process includes:

15+ hours of clinical trial analysis

for every formula

Precise ingredient and dosing selection

based on proven human data

Exclusion of animal-only research

we prioritize verified human trials

Full ingredient safety review

to confirm safe, effective dosing levels

Detailed formulation spec sheets

to ensure every capsule matches exact standards

Final regulatory review

to verify that all marketing claims align with clinical evidence

This meticulous process ensures that every capsule of UNALTERED Muscle Builder is scientifically balanced, clinically grounded, and regulatory compliant — not another stock formula.

Why It Matters

When you choose UNALTERED®, you're not buying hype — you're investing in formulas built by science, not shortcuts.*

That's how we guarantee every bottle is safe, effective, and designed to deliver real results.*

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Frequently Asked Questions

Customer Reviews

Father-and-son fitness experts Oscar and Zach

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