Managing Joint Health with FAI: The Supplements That Helped Me
- P. Murray
- 8 hours ago
- 5 min read
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I never thought I'd be writing a post about my own joints. I'm a physician. I spend my days counseling patients on exactly these kinds of things, and yet somehow, somewhere between the 6 a.m. clinic starts, the late-night research rabbit holes about oral immunotherapy protocols, and the sheer emotional weight of our FAI journey, my own body started sending up flares I could no longer ignore.
If you're new here: FAI stands for Food Allergy Institute. My child is currently in treatment there, working through an intensive oral immunotherapy program.... gradual, carefully monitored exposure to allergens with the goal of building real, lasting tolerance. It is, without exaggeration, one of the most hopeful and simultaneously demanding things our family has ever done. The appointments are frequent. The home dosing requires precision. The anxiety, especially in the early phases, is a physical thing you carry in your shoulders and your chest.
And I was carrying it while also standing on hard floors for hours at a time.
When Your Body Starts Talking Louder Than You'd Like
I've always had what my residency attendings used to diplomatically call "hypermobile joints." My thumbs bend backward at angles that make medical students uncomfortable. My hips have always been a little clicky. For most of my career I managed it fine.... good shoes, occasional ibuprofen, not thinking too hard about it.
But then came the FAI year. The year of driving to appointments in traffic after long clinic days, of sitting tensed in waiting rooms, of waking at 2 a.m. to Google reaction protocols even though I already know them because I'm a doctor and that doesn't actually stop parent-brain from spiraling. My knees started aching. My wrists, which had been fine through years of procedures, started complaining after charting. I felt, frankly, older than I wanted to.
So I did what any physician-mom does: I turned the clinical lens on myself, dug into the literature, and started building a protocol.
Why Supplements? And Why Practitioner-Grade?
Let me be honest about something. I used to be quietly skeptical of the supplement industry. The shelves at the pharmacy are full of products making claims that outrun their evidence, and quality control is.... not always what it should be. Contamination, mislabeling, inactive forms of nutrients.... these are real problems in a largely unregulated space.
What changed my mind about using supplements at all was finding Fullscript. For those unfamiliar, Fullscript is a practitioner-grade supplement dispensary.... meaning the products available through it meet a level of quality control closer to pharmaceutical standards than what you'd find in a random Amazon search. Third-party tested, properly stored, sourced from brands with genuine manufacturing oversight. When I recommend something to a patient, or take it myself, I need to know what's actually in the capsule. Fullscript gives me that confidence.
Everything I'm about to share, I source through our Fullscript storefront. I'll link it at the end.
The Supplements That Actually Moved the Needle
Collagen Peptides
This was the first thing I added, and the one I felt most clearly. Collagen is the structural protein in cartilage, tendons, ligaments, and the connective tissue that holds hypermobile joints like mine together. As we age.... and as we run on stress hormones and insufficient sleep, hello FAI parents.... collagen synthesis slows.
The research on hydrolyzed collagen peptides (type I and III for general connective tissue; type II specifically for cartilage) is genuinely promising. A 2019 randomized trial in the British Journal of Sports Medicine showed that gelatin/collagen supplementation combined with vitamin C before activity increased collagen synthesis markers and reduced joint pain in athletes. The hydrolyzed form matters because it's broken down into peptides small enough for actual absorption.... whole collagen protein doesn't really get there.
I mix mine into my morning coffee. Within about six weeks I noticed my wrists were quieter. My knees felt more.... cushioned, somehow. Less angry at the end of a long day.
Turmeric/Curcumin with Piperine
Curcumin is the active compound in turmeric, and it is one of the more well-studied natural anti-inflammatories we have. The problem is bioavailability: curcumin on its own is notoriously poorly absorbed. This is where formulation matters enormously.
Piperine.... the active compound in black pepper.... increases curcumin absorption by up to 2000% according to research published in Planta Medica. Some formulations use phospholipid complexes (like Meriva) or nanoparticle delivery for similar effect. I specifically look for products with one of these bioavailability enhancers; plain turmeric powder is largely wasted.
The anti-inflammatory mechanism is real: curcumin inhibits NF-κB signaling, downregulating multiple inflammatory cytokines. For someone carrying both physical and psychological stress loads.... and let me tell you, watching your child get dosed with allergens and monitoring for reactions is a particular kind of sustained tension.... having something that gently modulates systemic inflammation matters.
Magnesium Glycinate
I cannot overstate how many of my patients are magnesium-deficient without knowing it. Magnesium is involved in over 300 enzymatic reactions, including muscle relaxation, nerve conduction, and sleep regulation. Deficiency is associated with muscle cramps, poor sleep quality, and heightened pain sensitivity.
The form matters here too. Magnesium oxide, which is what you'll find in many cheap supplements, has poor bioavailability and a strong laxative effect. Magnesium glycinate (magnesium bound to glycine, an amino acid) is far better absorbed and gentler on the GI tract. Magnesium threonate has emerging evidence for CNS penetration if brain fog is part of the picture.
I take magnesium glycinate in the evening. It has become a non-negotiable part of how I wind down after days that end with checking tomorrow's FAI dosing schedule one more time before bed.
Vitamin C
This one is foundational and often overlooked precisely because it's so familiar. Vitamin C is an essential cofactor in collagen synthesis.... the body literally cannot make collagen without it. It's also a meaningful antioxidant, helping to neutralize the oxidative stress that chronic cortisol elevation (chronic stress, in plain terms) generates in abundance.
I pair it with my collagen peptides intentionally, based on the same research I mentioned earlier showing that the combination amplifies the collagen synthesis response. I use a buffered form.... calcium ascorbate or sodium ascorbate.... because plain ascorbic acid at higher doses can irritate my stomach. Around 500....1000 mg daily is where I've landed.
A Year In
We are still in the FAI journey. The appointments continue, the home doses continue, and the hope continues.... because we are genuinely seeing progress that would have seemed impossible when we first walked through those doors. My child is doing something remarkable and hard and brave.
And I am, in a quieter way, doing the maintenance work of keeping myself functional enough to show up for all of it. My joints are not perfect. But they are better. I sleep better. I feel more resilient in my body than I did eighteen months ago.
That is not nothing. That is, actually, quite a lot.
Shop Our Fullscript Recommendations
If you want to explore the specific products I use and recommend.... properly formulated, practitioner-vetted, and actually what they say they are.... you can find them here:
This post reflects my personal experience and is for informational purposes only. It is not medical advice. Please consult your own physician before making any health decisions.
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