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BESTSELLER OF 2025
Sports Nutrition Product of the Year

Excellent

4.8 out of 5

Craft Complete Formula

A performance probiotic built for total balance, optimizing gut health, sharpening mental clarity, and fueling smarter, faster decisions when it matters most.


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To see results we recommend use for 3 months*

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Description +

Craft Complete is an elite-performance probiotic engineered from strains sourced from world-class athletes. Unlike generic probiotics that use random bacterial strains, Complete is formulated with clinically-backed organisms proven to optimize gut health, mental clarity, and immune resilience.

Each formula contains precision-dosed strains of Lactobacillus rhamnosus (anti-fatigue, cognitive function), Bifidobacterium longum (gut integrity), and Lactobacillus reuteri (gut-brain axis optimization). The result: faster nutrient absorption, reduced bloating, sharper focus, and stronger immunity.

Craft Complete is designed for athletes, biohackers, and high-performers who demand more than "general gut health." This is optimization for people who track their biology.

Who should use Craft Complete? +
  • CrossFitters and functional fitness athletes balancing strength + endurance
  • Biohackers optimizing digestion, energy, and cognitive performance
  • Anyone experiencing bloating, irregular digestion, or post-meal fatigue
  • Athletes seeking foundational microbiome support without DNA testing
How do I take it? +

Take one serving daily with water, preferably with your first meal to maximize absorption and support digestion throughout the day. Consistency matters more than timing—your microbiome thrives on routine.

For athletes training at high intensity, some users take their dose post-workout to support recovery and reduce inflammation. There's no "wrong" time, but morning dosing ensures you don't forget.

What strains are in it? +

Craft Complete contains elite-verified strains sourced from athlete microbiomes:

  • Lactobacillus rhamnosus — Reduces fatigue, supports mental clarity, strengthens gut barrier integrity
  • Bifidobacterium longum — Optimizes digestion, reduces bloating, enhances immune function
  • Lactobacillus reuteri — Improves gut-brain axis communication, supports hormonal balance

Each strain is third-party verified via Illumina sequencing to ensure purity, potency, and strain-specific identity. We don't use filler strains or generic "blends"—every organism has a performance purpose.

What results can I expect? +

Most users notice initial improvements within 2-4 weeks:

  • Reduced bloating and post-meal discomfort
  • More stable energy throughout the day (no afternoon crashes)
  • Improved mental clarity and reaction time
  • Faster recovery between training sessions

Deeper microbiome shifts—like enhanced immunity and metabolic optimization—develop over 6-12 weeks of consistent use. Your microbiome is a living system; long-term consistency drives long-term results.

Trusted by elite athletes
harvard-Backed science
NSF CERTIFIED FOR SPORT® 
Trusted by elite athletes
harvard-Backed science
NSF CERTIFIED FOR SPORT® 
Trusted by elite athletes
harvard-Backed science
NSF CERTIFIED FOR SPORT® 
Trusted by elite athletes
harvard-Backed science
NSF CERTIFIED FOR SPORT® 

Clinically Proven Performance Advantage

Clinically Proven Performance Advantage

0%

Reduction In Sick Days

Participants reported on average more training days

0%

Fewer GI Issues During Training

Participants noticed less cramps, bloating, or mid-workout urgency.

0%

Reduction In Oxidative Stress

Participants reported faster recovery and less inflammation

* Based on internal studies and customer feedback surveys.

NSF Certified for Sport®: Which means, what’s on the label is exactly what’s in the product.

NSF Certified for Sport®: Which means, what’s on the label is exactly what’s in the product.

Tested for 260+ banned substances

Verified for label accuracy, purity and safety

Audited manufacturing reviewed to FDA standards

Two layers of testing, zero margin for error

Feature product image

Trusted By World Class Athletes

Founded by a Harvard Fellow in Genetics and Featured in

What Our Customers Are saying...

Very good 4.7/5 based on 1046 verified reviews

Frequently Asked Questions

Find answers to common questions about our products, shipping, returns, and more.

Are your products tested for quality? +

Yes. Every batch of Craft Microbiome products undergoes rigorous third-party testing to ensure purity, potency, and strain accuracy. We use Illumina genetic sequencing to verify the identity of every probiotic strain, confirming that what's on the label matches what's in the bottle.

Our formulas are manufactured in FDA-registered, GMP-certified facilities following the highest quality standards. Each strain is tested for:

  • Genetic identity verification
  • Colony-forming unit (CFU) count accuracy
  • Contamination and purity
  • Shelf-stability and potency retention

We don't cut corners. Your biology deserves precision.

Can I take Craft products with other supplements? +

Yes. Craft Microbiome formulas are designed to stack with other supplements like protein powder, creatine, vitamins, and minerals. Probiotics actually enhance nutrient absorption, making your other supplements more effective.

One exception: Avoid taking probiotics within 2 hours of antibiotics, as antibiotics can kill probiotic bacteria. Space them out for maximum benefit.

How should I store my probiotics? +

Store Craft Microbiome products in a cool, dry place away from direct sunlight and heat. Refrigeration is not required—our strains are shelf-stable and maintain potency at room temperature.

Keep the bottle tightly sealed to protect from moisture. Do not store in the bathroom (humidity can affect probiotic viability).

How long does shipping take? +

Domestic (US) Shipping:

  • Orders ship within 1-2 business days
  • Delivery takes 3-5 business days (standard shipping)
  • Expedited options available at checkout (2-3 day or overnight)

International Shipping:

  • Available to select countries
  • Delivery times vary by region (7-14 business days typical)
  • Customs fees and import duties may apply (customer responsibility)

You'll receive tracking information via email as soon as your order ships.

When will I see results? +

Most users notice initial improvements within 2-4 weeks:

  • Reduced bloating and digestive discomfort
  • More stable energy throughout the day
  • Improved mental clarity

Deeper microbiome shifts—like enhanced immunity, hormonal balance, and long-term metabolic optimization—develop over 6-12 weeks of consistent use.

Your microbiome is a living system. Results improve with consistency.

What makes Craft Microbiome different from other probiotics? +

Three critical differences:

  1. Athlete-Sourced Strains: We isolate probiotic strains from elite athlete microbiomes, not generic lab cultures. These bacteria are performance-selected, not randomly chosen.
  2. Clinical Validation: Every strain is backed by published research showing measurable benefits (increased muscle mass, reduced fatigue, improved gut health, testosterone support).
  3. Precision Formulation: We don't pad formulas with filler strains to inflate CFU counts. Every organism in the bottle has a specific performance purpose.

Most probiotics optimize for shelf presence and marketing. Craft optimizes for results.

Can I take Craft products with other supplements? +

Yes. Craft Microbiome formulas are designed to stack with other supplements like protein powder, creatine, vitamins, and minerals. Probiotics actually enhance nutrient absorption, making your other supplements more effective.

One exception: Avoid taking probiotics within 2 hours of antibiotics, as antibiotics can kill probiotic bacteria. Space them out for maximum benefit.

How long does shipping take? +

Domestic (US) Shipping:

  • Orders ship within 1-2 business days
  • Delivery takes 3-5 business days (standard shipping)
  • Expedited options available at checkout (2-3 day or overnight)

International Shipping:

  • Available to select countries
  • Delivery times vary by region (7-14 business days typical)
  • Customs fees and import duties may apply (customer responsibility)

You'll receive tracking information via email as soon as your order ships.

What makes Craft Microbiome different from other probiotics? +

Three critical differences:

  1. Athlete-Sourced Strains: We isolate probiotic strains from elite athlete microbiomes, not generic lab cultures. These bacteria are performance-selected, not randomly chosen.
  2. Clinical Validation: Every strain is backed by published research showing measurable benefits (increased muscle mass, reduced fatigue, improved gut health, testosterone support).
  3. Precision Formulation: We don't pad formulas with filler strains to inflate CFU counts. Every organism in the bottle has a specific performance purpose.

Most probiotics optimize for shelf presence and marketing. Craft optimizes for results.