Iron Support Stack

30 day supply

Boost iron and recovery vitality

Iron Support Stack

30 day supply

Boost iron and recovery vitality

  • Provide essential nutrients for heart health, including vitamin K2, magnesium, and B vitamins, with Bio-Avail Multi's highly absorbable formula

  • Enhance iron absorption and utilization with Bio-Avail Multi's high-bioavailability cofactors, including vitamin C, folate, and B12

  • Promote gut health and nutrient assimilation with Bio-Avail Colostrum+'s growth factors and immune-supporting compounds

  • Experience the transformative benefits of optimal iron status for energy, vitality, and overall well-being

Warning: If taking a blood thinner medication, consult a health-care practitioner before use.

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Maintain optimal iron status without side effects

Bio-Avail Organ provides easily absorbed heme iron from whole food sources, while Bio-Avail Multi enhances iron utilization and metabolism.


Deliver life-giving oxygen to tissues and brain

Maintain healthy red blood cell production and hemoglobin levels for efficient oxygenation and cognitive function.


Power your body and mind with oxygen-rich blood

Support the production of energy-generating ATP and combat fatigue by optimizing iron-dependent cellular processes.


Maximize iron and nutrient assimilation

Bio-Avail Colostrum+ supports gut health and intestinal integrity for optimal absorption and utilization of iron and other essential nutrients.

Powerful Nutrients & Vitamins



Bio-Avail Colostrum+ provides 100 mg of lactoferrin, a multifunctional protein research suggests is more effective than standard iron supplements at naturally supporting healthy iron levels and absorption.

Grass-Fed Liver & Spleen

Grass-Fed Liver & Spleen

Bio-Avail Organ features desiccated liver and spleen from grass-fed, pasture-raised cows, providing highly bioavailable heme iron and cofactors.

Vitamin C

Vitamin C

Bio-Avail Multi delivers vitamin C as ascorbic acid and citrus bioflavonoids, enhancing iron absorption and supporting its role in energy production.

Grass-Fed Bovine Colostrum

Grass-Fed Bovine Colostrum

Bio-Avail Colostrum+ contains 2.5 grams of nutrient-rich, cold-processed colostrum to support gut health, nutrient absorption, and overall vitality.

Methylated B Vitamins

Methylated B Vitamins

Bio-Avail Multi includes methylated folate and B12, crucial for red blood cell formation, iron utilization, and healthy homocysteine metabolism.

Copper & Vitamin A

Copper & Vitamin A

Bio-Avail Multi features bioavailable copper and vitamin A, essential for iron metabolism and mobilization from storage sites.

Betaine HCL

Betaine HCL

Bio-Avail Multi includes betaine HCl, which enhances stomach acidity and protein digestion, optimizing the absorption of non-heme iron and other essential nutrients.

Vitamin E

Vitamin E

Bio-Avail Multi contains vitamin E as mixed tocopherols, protecting red blood cell membranes from oxidative stress for optimal oxygen transport.

Signs You Need Iron Support Stack

Having low iron levels

Feeling persistently tired or sluggish

Having pale skin or hair loss

Experiencing shortness of breath

Lacking mental clarity or focus

Having heavy menstrual periods

Following a vegetarian or vegan diet

Engaging in intense physical training

What You'll Feel Using Iron Support Stack

  • Steady, sustained energy throughout the day

  • Improved stamina and endurance

  • Sharper mental clarity and cognitive performance

  • Healthier skin, hair, and nails

  • Enhanced oxygen delivery and aerobic capacity

  • Balanced mood and overall sense of well-being

  • Reduced fatigue and greater zest for life

Discover the Iron Support Stack 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 plastic
Functional Medicine expert

60-Day Money-Back Guarantee

We stand behind the quality of our products, and we want you to be completely satisfied with your order.

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.

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
Iron Support Stack

Unlock Your Energy Potential

Revitalize Your Vitality with the Iron Support Stack—Healthy Iron Levels, Simplified

Get Healthier & Happier - Try Now

Good For You—And the Planet

You can’t have healthy humans without a healthy planet. That’s why Adapt Naturals is working toward zero plastic and landfill waste in our supply chain.

In the fall of 2023, we started transitioning our packaging to 100% compostable, stand-up pouches. They’re made from cellulose (wood pulp) and are free of PLA, BPA, PFAS, phthalates, and other harmful chemicals. They’re printed with non-toxic, compostable ink. The pouches are so clean and biodegradable that you can put them in your backyard or curbside compost bin! 

Our sustainable packaging initiative will prevent over 120,000 plastic bottles from ending up in a landfill or the oceans. Thank you for being part of the solution and helping Adapt Naturals protect the beauty of our natural environment!

Your Questions Answered

The Iron Support Stack takes a comprehensive approach to promote healthy iron levels and enhance its utilization in the body. Bio-Avail Organ provides highly bioavailable heme iron from grass-fed liver and spleen, along with cofactors for its metabolism. Bio-Avail Multi delivers key nutrients like vitamin C, folate, and B12 to enhance iron absorption and support its role in energy production and red blood cell formation. Bio-Avail Colostrum+ promotes gut health and nutrient assimilation for optimal iron utilization.

Yes, the Iron Support Stack can be especially beneficial for those following vegetarian or vegan diets, as these diets tend to be lower in bioavailable heme iron. The easily absorbed heme iron in Bio-Avail Organ, along with the absorption-enhancing nutrients in Bio-Avail Multi and gut-supporting compounds in Bio-Avail Colostrum+, can help optimize iron status and prevent deficiency in those relying on plant-based iron sources.

Yes, the Iron Support Stack is formulated with safe, well-tolerated, and nourishing ingredients that are generally suitable for long-term use. However, because iron can accumulate in the body, it's important to monitor your iron levels regularly and adjust your dosage as needed under the guidance of a healthcare professional. If you have a known condition that affects iron metabolism or are taking medications that interact with iron, please consult your healthcare provider before starting this or any iron supplement regimen.

Individual responses vary, but many notice improved energy, mental clarity, and overall well-being within the first few weeks of consistent use. However, the full benefits of the Iron Support Stack may take several weeks to months to become apparent, particularly when it comes to optimizing iron storage, supporting red blood cell production, and enhancing oxygen delivery to tissues. For best results, we recommend taking this stack daily for at least 3-6 months, ideally long-term for ongoing iron and energy support.

We recommend using the Iron Support Stack as your sole iron supplement to avoid excessive intake. The stack is designed to provide optimal amounts of highly bioavailable iron and synergistic cofactors for most individuals. However, if you have a diagnosed deficiency or are following a specific protocol recommended by your healthcare provider, you may need to combine this stack with additional iron supplementation. As always, please consult your practitioner for personalized guidance.

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