Bio-Avail Mag
A Highly Absorbable and Effective Form of Magnesium
Bio-Avail Mag
A Highly Absorbable and Effective Form of Magnesium
Restore optimal magnesium levels and experience its incredible benefits—with a lower risk of unpleasant GI side effects
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Promote relaxation and experience deeper and more restorative sleep.
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Maintain normal blood sugar and metabolic and cardiovascular function.
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Soothe your digestive system and improve bowel regularity and gut health.
Boost magnesium intake (over 90% deficient)
Get the amount you need for optimal function and well-being.
Experience restful sleep and a sense of calm
Soothe your nervous system and buffer the effects of daily stress.
Maintain normal blood sugar and metabolic health
Improve conversion of carbohydrates and fat into energy your body can use.
Support healthy bones as you age
Extend your healthspan and vitality with stronger and more resilient bones.
Signs You Need Bio-Avail Mag
Low energy or fatigue
Chronic stress or “fight or flight” response
Muscle spasms or weakness
Difficulty falling and/or staying asleep
Decreased bowel regularity/GI discomfort
Suboptimal bone health
What You'll Feel Using Bio-Avail Mag
90-Day Money Back Guarantee
We're confident you'll love our products, but if you're not completely satisfied, we offer a 90-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
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
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
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
Unlock Your Optimal Health
Upgrade Your Wellness with Bio-Avail Multi—Magnesium, Upgraded
Get Healthier & Happier - Try Now
Your Questions Answered
If you want better sleep without the dull after effects of melatonin…give this a try. It works.
Hey Brennan,
Better sleep without the next-day grogginess that melatonin can leave behind is exactly the difference the Albion® magnesium bisglycinate chelate and the natural calming properties of the glycine it is chelated with creates. Supporting the nervous system and sleep pathways naturally rather than forcing sedation is such a better way to rest. Thank you so much for sharing and for the recommendation!
The quality of the product and the ease with which they allow you to order his exceptional. They alert you to when it’s time to renew and allow you to decide. Their text communication is is easy to use and considers the customer first.
Hey Liza,
Integrity in the product and in the customer experience is something Chris is deeply committed to across every part of how Adapt Naturals operates and we are so glad that comes through in how you are treated as a subscriber. Thank you so much for sharing and for being part of the community!
If you’ve ever laid in bed at 2am staring at the ceiling while your partner sleeps like a tranquilized bear…hi, welcome to midlife. And here’s the plot twist nobody talks about: poor sleep doesn’t just make you tired—it literally affects everything.
One study showed that bad sleep slashes fat loss by 55% and increases muscle loss by 60%, even when the workouts and diet are identical. That’s how powerful sleep is.
And one of the biggest reasons sleep goes sideways? Low magnesium.
Magnesium helps calm your nervous system, lower stress hormones, relax tight muscles, stabilize blood sugar, improve digestion, and support bone health… but most midlife women are deficient.
Bio-Avail Mag is my go-to because it’s actually absorbable. I take it 30 minutes before bed and the difference is wild—deeper sleep, calmer evenings, better recovery, smoother digestion. It’s like giving your body permission to finally exhale.
Hi Christina,
Thank you so much for this incredibly thoughtful and detailed review! Your writing is beautiful, and we love the 'tranquilized bear' visual—so relatable for so many women in midlife!
You've captured exactly why magnesium is so critical, especially for sleep and overall wellness during this stage of life. The fact that you're noticing deeper sleep, calmer evenings, better recovery, AND smoother digestion with Bio-Avail Mag is wonderful to hear. That 'permission to finally exhale' feeling is exactly what we hoped the highly absorbable magnesium glycinate would deliver.
You're also spot on about the sleep-metabolism connection—it's such an underappreciated piece of the wellness puzzle, and we're glad you're experiencing those benefits firsthand.
Thank you for being part of the Adapt Naturals community and for taking the time to share such a powerful, relatable review. This will truly resonate with other women going through similar experiences! Take good care.
I take mag at night and it helps relax my body and keep it relaxed. Such quality ingredients. Highly recommend this, especially if you wake up in the middle of the night... once you take this, falling asleep seems to be an easier process. If I happen to be woken up by my toddler, I can easily go back to sleep and feel refreshed in the morning.
Hi Jessika,
We’re so happy to hear this—thank you for sharing your experience! Getting quality sleep (especially with a little one at home!) makes such a difference, and we’re thrilled Bio-Avail Mag is helping your body relax and recover more easily.
Our magnesium uses a highly absorbable chelated form that’s gentle on the stomach and effective for supporting calm, muscle relaxation, and deep, restorative sleep. We love hearing how it’s helping you drift back to sleep and wake up refreshed.
Thank you for trusting Adapt Naturals to be part of your nightly routine!
I have been using magnesium for sometime, but just purchased Bio-Avail Mag. I can feel the difference and my body seems to be absorbing more of this nutrient.
Hi Katherine!
So glad you’re enjoying Bio-Avail Mag. Our magnesium is chelated for optimal absorption and formulated to be gentle on the stomach—perfect for daily use. It’s great to hear your body is responding well to the upgrade!
I’ve been taking Mag for several months now and I’m not going to stop. I’ve been calmer, more peaceful and I sleep better!!
Hey Hannah,
Calmer more peaceful and sleeping better for several months and not stopping...that is the Albion® magnesium bisglycinate chelate and the calming properties of the glycine it is chelated with working consistently every day and your nervous system and sleep cycles are both responding beautifully. We love hearing this and thank you so much for sharing!
I have been taking this for the last couple of years now. It is helpful in relaxing me in the evening.
When I have run out, I have tried other brands which the effect is not the same.
Hey Julie,
Two years of evening relaxation and noticing the difference every time you try another brand is the most honest confirmation that something is genuinely working at a level others cannot replicate! The Albion® magnesium bisglycinate chelate is one of the most bioavailable and gentle forms available and when the right form finds the right person the difference is unmistakable. We are so glad it has become such a consistent part of your evenings and thank you so much for sharing!
I have trouble falling back to sleep after my baby wakes me in the night, so magnesium is definitely part of my nightly routine. I love that Chris puts in the work to know how our bodies actually use and absorb any given nutrient.
Love his podcast!
Hey Cara,
Magnesium as a nightly anchor for falling back asleep after those middle of the night wake-ups with a baby is such a smart and practical approach and we are so glad it is helping! The Albion® magnesium bisglycinate chelate and the calming properties of the glycine it is chelated with work to settle the nervous system so when you do wake up your body has an easier time finding its way back to sleep rather than spinning into alertness. And we love that you are listening to the podcast too…Chris puts so much care into making sure the science behind every ingredient decision actually holds up and it sounds like that comes through for you. Thank you so much for sharing!
I appreciate not having to mix powders or liquids with this magnesium. It helps me relax for sure.
Hey Sharon,
No mixing no powders no liquids just a clean capsule that helps you relax is exactly the simplicity we aimed for! The Albion® magnesium bisglycinate chelate and the calming properties of the glycine it is chelated with working quietly to settle the nervous system is such a reliable and gentle way to wind down. Thank you so much for sharing!
I make sure to take it every night, sleeping so much better
Hey Gaylene,
Making it a non-negotiable every night and sleeping so much better for it is the Albion® magnesium bisglycinate chelate working exactly as designed! The glycine it is chelated with has its own calming properties on the nervous system and together they create a really reliable foundation for restful sleep night after night. Thank you for sharing!
Best magnesium I've found. Clean ingredients. I sleep better and don't have 3am wake up.
Hey Robin,
The best magnesium you have found with clean ingredients better sleep and no more 3am wakeups is the Albion® magnesium bisglycinate chelate doing exactly what it was designed to do! That middle of the night wakeup is so often a cortisol and nervous system issue and magnesium supporting those pathways at night makes such a consistent difference for so many people. Thank you so much for sharing!
I and very happy with this magnesium. I take it 45 minutes before bed. I am noticing that I am sleeping better and not waking up during the night.
Hey there,
Sleeping better and staying asleep through the night from taking it 45 minutes before bed is the Albion® magnesium bisglycinate chelate and the calming properties of the glycine it is chelated with doing exactly what they are designed to do. That pre-bed timing is the sweet spot for so many people and it sounds like your body is responding beautifully. Thank you for sharing!
Felt a difference in sleep and cramping once taking this product.
Hey Holly,
Better sleep and less cramping from magnesium is the Albion® magnesium bisglycinate chelate working on both the nervous system and muscle function at the same time and we love hearing that both showed up for you. When the right form of magnesium finds the right person the results can be really noticeable and it sounds like this is the right fit. Thank you for sharing!
This is the only magnesium that I can tell is working and I have tried many.
Hey Dede,
The only magnesium you can actually tell is working after trying many is such a meaningful thing to say and it speaks directly to what the Albion® magnesium bisglycinate chelate form delivers that so many others do not. When the form is right the body absorbs it and uses it and you feel the difference. We are so glad you found us and thank you for sharing!
Totally AIDS in sleep. I’ve been taking these with dinner for several
Months and I sleep so much better. I am a 53 yr old woman who was struggling with the 3/4 am wake ups. Taking these at dinner, not bedtime, has certainly helped.
Hey Suzie,
The 3am and 4am wakeups are so classic for cortisol dysregulation and magnesium at dinner rather than right before bed making the difference is such a useful discovery for others to hear! The Albion® magnesium bisglycinate chelate and the calming properties of the glycine it is chelated with working through the evening to support a more settled nervous system by the time sleep arrives is exactly what creates that kind of improvement. Thank you so much for sharing your timing tip and for the honest update!
I have been on several Adapt Naturals products for a few months now and I feel pretty good on them. I can’t say which is doing what, because I am taking them as a set, but overall I do like them!
Hey Valerie,
Feeling good consistently across the whole stack and the Albion® magnesium bisglycinate chelate in Bio-Avail Mag quietly supporting sleep muscle function and over 300 enzymatic reactions in the body is such an important foundational piece of all of it. We are so glad it is part of your routine and thank you for sharing!
This magnesium supplement is high-quality and was a level-up replacement for my previous brand. Very satisfied!
Hey Allyson,
A level up from your previous brand and very satisfied is exactly what the Albion® magnesium bisglycinate chelate was designed to deliver. When you find a magnesium that actually works and agrees with your body the difference is unmistakable. Thank you so much for sharing!
I have been using Bio-Avail Mag for over a year and it is the best magnesium supplement I have tried (& I have tried many!) It helps with my sleep and I don’t get the GI issues from it like with other forms of magnesium. Highly recommend you try it!
Hey Jill,
Over a year and the best magnesium you have tried with better sleep and none of the GI issues other forms cause is exactly what the Albion® magnesium bisglycinate chelate was designed to deliver. So many people struggle with other forms and finding one that is both effective and gentle is such a meaningful win. Thank you so much for the recommendation and for sharing!
I have tried all forms of magnesium. magnesium L-threonate gave me a massive full body MCAS reaction every time. Magnesium glycinate from Pure Encapsulations makes my small intestines cramp like menstrual cramps. Magnesium malate powder mixed in water is fine, but tastes horrible! The Bio-Avail Mag is the only one I can tolerate.
Hey Megan,
Having tried every form and dealing with serious reactions to most of them and then finding Bio-Avail Mag to be the only one you can actually tolerate is such a meaningful thing and we do not take that lightly. The Albion® magnesium bisglycinate chelate is specifically chosen for its gentleness and bioavailability and we are so glad your body agrees. Thank you so much for sharing and for sticking with the search until you found something that works!
I’m sleeping better .
Hey Dana,
Sleeping better is everything and the Albion® magnesium bisglycinate chelate with the natural calming properties of the glycine it is chelated with is doing exactly what it was designed to do at night. Thank you for sharing!
I was using a different brand of magnesium and this one works so much better. So, I have switched to Adapt Naturals magnesium. I am a nurse and I prefer natural supplements. This one is a winner and I highly recommend.
Hey Laurie,
A nurse preferring natural supplements and calling this one a winner after switching from another brand is genuinely one of the most meaningful endorsements we could receive. The Albion® magnesium bisglycinate chelate is one of the most bioavailable and gentle forms available and when someone with your clinical background notices the difference that really says something. Thank you so much for the recommendation and for sharing!
Great product. Really makes a difference with my sleep.
Hey Julia,
Finding exactly the right dose in a form that is actually absorbable and noticing better sleep from taking it before bed...that is the Albion® magnesium bisglycinate chelate working exactly as designed. The glycine it is chelated with has its own calming properties on the nervous system and together they create a really reliable nighttime combination. We are so glad it checked all the boxes for you and thank you for sharing!