Bio-Avail Organ

180 capsules 30 day supply

Nature’s Ultimate Nutrient Powerhouse

Bio-Avail Organ

180 capsules 30 day supply

Nature’s Ultimate Nutrient Powerhouse

Experience the incredible benefits of organ meats without having to eat or prepare them.  

  • 100% grass-fed liver, heart, kidney, pancreas and spleen

  • Supercharge energy, mood, and performance 

  • Restore youthful vitality and slow aging

  • Replace nutrients missing from modern diets

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60-day Returns


Overcome Common Nutritional Deficiencies

Bridge the gap in modern diets with nature’s most nutrient-dense foods.


Power Up Your Mitochondria

Supercharge your cells with riboflavin, B12, iron, L-carnitine and other energy-boosting nutrients.


Protect with Brain-Specific Nutrients

Sharpen focus and memory and elevate mood with B vitamins, amino acids, and more.


Load Up on Key Anti-Aging Nutrients

Unlock a food-based source of ergothioneine, choline, CoQ10, and other longevity nutrients.

Powerful Nutrients & Vitamins



Often called “nature’s multivitamin”, liver contains a variety of vitamins and minerals, including vitamins A, E, B1, B3, B6, biotin, and folate, along with copper, heme iron, zinc, and omega-3 fatty acids.



Heart is one of the highest dietary sources of CoQ10, which is a critical antioxidant that protects our cardiovascular system and plays an important role in cellular energy production. 



After liver and clams, kidney is the highest dietary source of vitamin B12–with a single serving providing 1118% of the RDA! Kidney is also a good source of the rare amino acid L-Ergothioneine, which supports detoxification and longevity pathways.



Pancreas is a rich source of B12, vitamin B12, and vitamin B5. The pancreas secretes digestive enzymes and produces hormones that regulate blood sugar.



Spleen is perhaps best known for being an incredibly rich source of bioavailable iron. This is crucial because iron deficiency is still common today, even in the industrialized world.

Real Stories of Health and Happiness

  • "I've definitely notice a big difference in my stamina and overall well being."

    —Karen, Verified
  • “The Bio-Avail Organ product is by far the easiest way to get these essential nutrients into my diet.”

    —Sydney, Verified
  • “The Bio-Avail Organ formula is transformative!”

    —Valerie, Verified

Discover the Bio-Avail Organ Advantage

Natural, whole-food
Synthetic, fillers
Maximally absorbable
Low absorption
Health Focus
Addresses root causes
Addresses symptoms
Clinical Background
15 years in-clinic
Not typically
Supports soil health
Disregards soil health
Single-use plastics
Functional Medicine expert

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

Why Choose Bio-Avail Organ?

Our modern diets often fall short of providing the optimal amounts of essential nutrients our bodies need to function at their best. With Bio-Avail Organ, you can overcome nutrient deficiency and support your overall health and well-being. We've done the research, so you don't have to!

Formulated to Replicate Optimal Ancestral Diets

Changes in dietary patterns, declining soil quality, and a growing toxic burden have made it increasingly difficult to obtain adequate nutrients from our daily food intake. Bio-Avail Organ is designed to address these challenges by providing a food-based source of essential vitamins, minerals, amino acids, and other compounds that close the modern nutrient gap.

Harness Years of In-Clinic Experience and Ancestral Wisdom

Backed by Adapt Naturals' 15 years of in-clinic experience and dedicated to creating supplements that make a meaningful difference, Bio-Avail Omega+ combines cutting-edge research with insights from ancestral wisdom to bring you a premium-quality supplement.

Signs You Need Bio-Avail Organ

Fatigue, lethargy, low energy

Low libido and vitality

Declining physical and mental performance

Weak bones and ligaments

Brian fog, poor memory, lack of focus

Dry skin, brittle hair and nails

What You'll Feel Using Bio-Avail Organ

  • All-day energy and elevated mood

  • Upgraded performance and recovery

  • Better focus, memory, and attention

  • Restored libido and vitality

  • Stronger bones and tissues

  • Supple skin, hair, and nails

  • Improved nutrient status

Bio-Avail Organ

Unlock Your Optimal Health

Upgrade Your Wellness with Bio-Avail Organ—Nutritional Powerhouse, Unlocked

Get Healthier & Happier - Try Now

Your Questions Answered

Bio-Avail Organ is best taken with food. We recommend taking three capsules in the morning with breakfast and three capsules in the evening with dinner. Bio-Avail Organ can also be added to food if you wish to reduce the number of capsules you take daily. We suggest opening up the capsule and adding the contents to seasoned ground meat dishes (e.g., taco beef, meatloaf) as you cook if you don’t enjoy the flavor of organ meats.

A popular objection to eating liver is the belief that it is a storage organ for toxins in the body. While it is true that one of the liver’s roles is to neutralize toxins (such as drugs, chemical agents, and poisons), it does not store these toxins. Toxins the body cannot eliminate are likely to accumulate in the body’s fatty tissues and nervous systems.

On the other hand, the liver is a storage organ for many important nutrients, such as vitamins A, D, E, K, B9 (folate), and B12, and minerals such as copper and iron. These nutrients provide the body with some of the tools it needs to get rid of toxins. This means that consuming liver is more likely to help the body with detoxification than cause any accumulation of toxins.

Customer Reviews

Based on 31 reviews
Jane Randel
A Happy Mistake

I meant to order the multi-vitamin and thought that’s what I had until my son asked why I was taking all these organ meats! So I ordered the multi and kept on the with Bio-Avail Organ. I appreciate the nutrients I get from it since I do not eat a lot of meat. Definitely feels great!

Hi Jane, We are happy to hear you are enjoying our Bio-Avail Organ and Bio-Avail Multi. Thank you for leaving us a review!

Fills a nutrient gap

So happy to have access to Bio-Avail Organ. I have tried incorporating liver into my diet and it was a constant challenge as I do not like the taste of liver and it was hard to disguise it in most recipes! I also like the fact that I am getting more than just the nutrients from liver, but other organs as well. I am so grateful for the high standards that Chris Kresser is upholding as he sources & adjusts these supplements to optimize the bio-availability & close the nutrient gap that exists in our diets, even when they are healthy!

Hi Nancy, Thank you for trusting Adapt Naturals with your health. We are happy you are enjoying our Bio-Avail Organ supplement. We appreciate your review!


I really feel like my health, stress levels and quality of sleep has improved because of these supplements. I highly recommend them to others!

Hi C.D, We're thrilled to hear what our Bio-Avail Organ supplement has done for you. It's great to hear your health, stress level and quality of sleep has improved since you started this supplement. We hope as you continue to take them, you will notice other improvements. Thank you for your review!

Raquel Duarte

Great service. For personal reasons must discontinue.

Hi Raquel, We appreciate your support and is sorry to hear you have to go! We wish you best of health. Thank you for your review. All the best!

Marie Kelly
Great quality

Love the bi available magnesium and multi. Great quality

Hi Marie, Thank you for reviewing our product. It is our pleasure to hear you are loving the Bio-Avail Mag and Bio-Avail Multi. All the best!