YOUR FREE BIO-AVAIL Organ WILL AUTOMATICALLY BE ADDED AT CHECKOUT ($59.83 Value)

Overcome Nutrient Deficiency and Feel and Perform Your Best with Bio-Avail Multi

Special Offer: Free Bio-Avail Organ ($59.83 Value) Included With First Purchase

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Introducing the first Multivitamin + Greens & Reds Powder—All in One Pouch!

We created Bio-Avail Multi to make it easy for you to get the full spectrum of nutrients you need to thrive, from vitamins and minerals like B12, vitamin D, and magnesium to phytonutrients like polyphenols, bioflavonoids, and carotenoids.  

Unlike most multivitamins, which only provide vitamins and minerals, Bio-Avail Multi includes essential vitamins and minerals and a full range of research-based phytonutrients like lutein, lycopene, broccoli seed extract, and more. 

It’s like taking a multi, greens, and reds powder in one supplement!

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What makes Bio-Avail Multi stand out?

  • Easy To Absorb

    Most multi's contain cheap, synthetic ingredients that are poorly absorbed. Bio-Avail Multi contains food-based or bioidentical nutrients foroptimal absorption and assimilation.

  • Full-Strength

    Most multi's don’t contain enough nutrients to move the needle. Bio-Avail Multi not only meets but exceeds the RDA for most essential vitamins and minerals, so you can feel and perform your best.

  • Great Value

    Bio-Avail Multi contains over 30 vitamins, minerals, and phytonutrients—which means you can streamline your daily supplement routine and save money and time!

Conquer nutrient deficiency and take back your health!

Did you know that humans need at least 30 micronutrients to function optimally? Virtually every process that happens in the body requires a vitamin, mineral, or other nutrient.  

This explains why nutrient deficiencies can lead to a such a wide range of problems, from low energy to poor sleep to weight gain to an increased risk of chronic disease and premature death.

Sadly, the latest research suggests that the vast majority of Americans fall short on not just one but several essential vitamins and minerals.

Add back in what the modern world has squeezed out.

Our busy, fast-paced lives make it difficult for most of us to eat a clean, whole-foods diet 100 percent of the time.

Even if we do, declining soil quality, a growing toxic burden, and other challenges in the modern world have made it difficult—if not impossible—to meet our nutrient needs through food alone. 

Supplements can help close the gaps and ensure that we’re getting all of the nutrients we need to thrive and live a long, healthy life. 

But not just any supplements will do…

Supercharge your health with full-spectrum, bioavailable nutrients

Frankly, most multivitamins on the market aren’t worth taking. 

They’re made with cheap, synthetic ingredients, they don’t have enough of what we need (or too much of what we don’t), and they don’t contain the phytonutrients that promote optimal health and longevity.

To get the full benefit of a multi, you need highly absorbable essential vitamins and minerals and phytonutrients in a carefully balanced formula.

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Adapt Naturals Bio-Avail Multi

Bio-Avail Multi is the most complete, advanced multivitamin formula on the market. It was formulated to help you overcome nutritional deficiencies and optimize your intake of vitamins, minerals, and phytonutrients—so you can live your best life.

  • Over 41 vitamins, minerals and phytonutrients 
  • Naturally-occurring, bioavailable ingredients for maximum absorption and efficacy
  • Full-strength formula that far exceeds the RDA for several nutrients
  • Mimics nutrient intakes in a whole-foods, ancestral diet
  • Formulated by globally-renowned Functional Medicine clinician Chris Kresser
  • Made without gluten and GMOs
  • Manufactured in the US in a certified GMP facility

Discover the Bio-Avail Multi Advantage

 
Competitors
Why Bio-Avail Multi is superior
Vitamin C (mg)
400
60
Contains whole-food forms of vitamin C and a nearly 7x higher dose
Vitamin D (IU)
2000
1000
2x higher dose
Vitamin B6 (mg)
6.7
3
2x higher dose, superior P5P form for better absorption and biological activity
Vitamin B12 (mg)
200
20
10x higher dose in superior form (methylcobalamin)
Folic acid/folate (mcg)
680
400
Higher dose and natural form of folate (5-MTHF) vs synthetic folic acid
Magnesium
150
50
3x higher dose, superior buffered chelate form for better absorption
Selenium (mcg)
100
19
5x higher dose, superior SelenoExcel with greater bioavailabilty
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Signs You Need Bio-Avail Multi

Low energy levels or chronic fatigue

A weakened immune system or frequent illnesses

Brain fog or difficulties with concentration and memory

Skin problems, brittle hair and nails

Difficulty falling or staying asleep

Nutrient deficiencies due to poor diet or lifestyle

What You'll Feel Using Bio-Avail Multi

  • Increased energy levels and vitality

  • Improved mental clarity and cognitive function

  • Enhanced immune system support and resilience

  • Correction of nutrient deficiencies for improved overall health

  • Greater endurance and support for an active lifestyle

  • Promotion of overall well-being and healthy aging

Meet Chris Kresser, your
Trusted Health & Wellness Guide

Founder & Functional Medicine Clinician

  • Globally renowned expert with over 15 years of experience
  • Dedicated to helping people improve their health by addressing modern challenges and nutrient gaps

Author & Educator

  • Treated thousands of patients
  • Trained more than 2,000 healthcare professionals
  • Gained valuable insights into functional medicine and nutrition

  • "I'm excited about Adapt Naturals and. Chris is a leading clinician, educator, and researcher in the Functional Medicine space. I've learned a lot from him about nutrition and supplements over the years, and I know his products are fueled by high-quality, evidence-based ingredients you can trust."

    Dr. Mark Hyman

    14x NY Times Bestselling Author

  • "I have seen firsthand and trust Chris Kresser's expertise with my life—I'm confident you will too."

    Dr. Sara Gottfried

    NY Times Bestselling Author

  • "Chris Kresser's Adapt Naturals line reflects our belief: the right supplement at the right time can 'change everything.'"

    Robb Wolf

    NY Times Bestselling Author

Try Bio-Avail Multi for 60 Days and Get a FREE Pouch of Bio-Avail Organ

30 day supply delivered monthly

What You'll Get:

✓ 30-Day Supply Bio-Avail Multi—10% Off Every Order + Free Bio-Avail Organ With Your First Subscription Order
✓ FREE Pouch of Bio-Avail Organ—$59.83 Value
✓ 60-Day Money-Back Guarantee—Try It Risk-Free

$123.56 USD $57.36 USD
Save $66.20 (53%)

Charged every 30 days. Change or cancel anytime.

Try Bio-Avail Multi Risk Free

  • 60-day Returns
  • Easy cancellation

"Adapt Naturals is not just higher quality, it's practically in a different category entirely.”

Armen A.

About your FREE Bio-Avail Organ

The Easiest Way To Tap Into an Energy Powerhouse!

Organ meats are among the most nutrient-dense foods we can eat. 

A single serving of liver meets the RDA for vitamin B12 for an entire week and far exceeds the daily RDA for vitamins A and B2 (riboflavin) and copper!

Bio-Avail Organ contains a blend of five freeze-dried bovine organs—liver, heart, kidney, pancreas, and spleen—sourced from 100% grass-fed, grass-finished, free-range cattle. 

With Bio-Avail Organ, you get the incredible health benefits of organ meats without having to prepare and eat them!

Get Your Free Bio-Avail Organ now

60-Day Money Back Guarantee

60-Day Money Back Guarantee

We're confident you'll love our products, but if you're not completely satisfied, we offer a 60-day, 100% money-back guarantee on all purchases. Simply contact us for a full refund, no questions asked. Buy with confidence knowing you're covered by our guarantee.

The Adapt Naturals Standard

The Adapt Naturals Standard

In our increasingly toxic world, the last thing you want to worry about is a lot of artificial junk in your supplements. Adapt Naturals supplements are made with the cleanest possible ingredients, without gluten or GMOs. Our products are manufactured in a U.S. facility that meets the NSF’s rigorous GMP regulatory standards.

Third-Party Lab-Tested with Transparent Results

Third-Party Lab-Tested with Transparent Results

We conduct third-party testing on all our products to verify their purity, potency, and safety. Most importantly, we transparently share these results with our customers by posting Certificates of Analysis (COAs) and test results directly on our website. We want you to have full confidence that you’re getting exactly what you think you are with each purchase.

See Test Results

Your Questions Answered

Claiming that multivitamins don’t work is like saying “medications don’t work” or “food is good for you.” The efficacy of a multivitamin depends on the quality, form, and amount of its ingredients, and these vary tremendously from product to product. Most studies of multivitamins use generic products that can be purchased at Walmart, Costco, or other outlet stores because that’s what most Americans are buying. Bio-Avail Multi is a clinician-grade product with full-strength, superior ingredients carefully curated by one of the most respected Functional Medicine clinicians in the world, Chris Kresser. It cannot be compared to generic multis that you can find in a local store!

Bio-Avail Multi is manufactured in a U.S. facility that meets the NSF’s rigorous GMP (Good Manufacturing Practices) regulatory standards.

The recommended dose is four capsules per day taken with food. We suggest taking two capsules in the morning with breakfast and two in the evening with dinner. If you practice intermittent fasting and do not eat in the morning, you can either take your first dose with your first meal later in the day, or take it without food in the morning. (Note that a small percentage of people may feel nauseous when taking vitamins and minerals on an empty stomach.) You may also take all four capsules at once if you prefer.

Most people see positive changes like more energy, deeper sleep, and better mental and physical performance within a couple of weeks. That said, nutrient deficiencies take years—or even decades—to develop, and they can take months to fully correct. We suggest giving Bio-Avail Multi at least three months before determining whether it is working for you.

As noted above, nutrient deficiencies can take years (or even decades) to develop and many months to correct. For this reason, we suggest that you take Bio-Avail Multi for at least three months before you determine whether it works for you. That said, we know that each individual is different, and we want you to be completely satisfied with your purchase. If you’re unhappy with your order for any reason, simply contact us and we’ll give you a full refund with no questions asked.

Each bottle contains a 30-day supply.

Customer Reviews

Based on 247 reviews
86%
(212)
8%
(20)
2%
(6)
2%
(4)
2%
(5)
T
Teena Farrell
healthy trust

As healthy as I try to feed my family of 6, I still felt there were gaps that needed to be filled for my growing children. I trust any product by Chris Kresser so I was thrilled to be able to fill in these gaps with his multi vitamin. We are seeing results with better sleep, immunity, and my teenage sons acne. Proud to recommend.

D
Dawn Mantyla
Multi-vitamins

Started buying their products this past year and I feel a noticeable difference with immunity and energy, love them!

Hi Dawn,

Thanks for sharing your experience with Bio-Avail Multi! It's great to hear you're noticing improvements in both your immunity and energy levels. This is exactly what we designed it to do - with over 40 essential vitamins, minerals, and phytonutrients in their most bioavailable forms, it helps bridge the common nutrient gaps in modern diets that can affect energy and immune function. Many of our customers report similar benefits, thanks to the comprehensive blend of nutrients that replicate what you'd get from an ancestral, whole-foods diet.

Thanks for being part of the Adapt Naturals community!

J
Jennifer Evans

perfection

J
Joanna Irvin
Best Combination

I think Dr. Kresser has done a wonderful job with the combination of the Multi Vitamin. Most multi’s don’t have enough in them to make a difference. These vitamins can be trusted to do what they say. The quality and quantity make the difference and these live up to their expectations. I feel safe and assured that I am getting exactly what I need…nothing more…nothing less.

Hi Joanna,

Thank you for such a wonderful review of Bio-Avail Multi! You've highlighted exactly what makes this formulation special - the careful attention to both quality and optimal dosing.

You're absolutely right about traditional multivitamins often falling short. That's why we formulated Bio-Avail Multi to contain therapeutic amounts of key nutrients like methylated B vitamins, choline, and vitamin D3, along with their most bioavailable forms. We're thrilled that you can feel the difference this makes.

Your trust means everything to us!

Thank you for being part of the Adapt Naturals community!

A
Angela Dickson
Solid Multi

Both my husband and I have really enjoyed this multi. We have been taking it for 3 months now. We can both tell a difference in energy, immunity and mood. I am very grateful for the thoughtfulness and research that Chris puts into these products that help others to thrive in their everyday lives.

Hi Angela,

Thanks for sharing your experience with Bio-Avail Multi! It's wonderful to hear how it's supporting both you and your husband's health - from energy to immunity to mood. These results reflect exactly what we see in clinical practice when people get optimal amounts of nutrients in their most bioavailable forms. The formula comes from 15+ years of seeing what works best for real patients, not just theory. Thank you for trusting us with your family's health journey!

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