Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
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Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.
Collagen: The Body’s Structural Protein
Collagen is the most abundant protein in the body, constituting approximately 30% of total protein mass. It forms the structural scaffold of tendons, ligaments, cartilage, bones, and skin — essentially everything that gives the foot its mechanical integrity. Understanding how collagen functions and deteriorates explains many of the foot conditions that develop with age and how to support optimal collagen health.
Collagen in Foot Tendons and Ligaments
The Achilles tendon, plantar fascia, and foot and ankle ligaments are predominantly type I collagen fibers organized in parallel bundles for tensile strength. As we age — and in response to repetitive loading beyond the tissue’s adaptive capacity — collagen fibers disorganize, cross-links break down, and the characteristic high-strength, organized structure of healthy tendon is replaced by disorganized fibrocartilaginous tissue (tendinosis). This is the underlying pathology of chronic plantar fasciitis and Achilles tendinopathy — not simply inflammation but structural collagen degeneration.
Collagen Synthesis: What the Body Needs
Collagen synthesis requires specific nutritional cofactors. Vitamin C is essential — it is the cofactor for prolyl and lysyl hydroxylase enzymes that cross-link collagen molecules. Without adequate vitamin C, newly synthesized collagen cannot form stable cross-links. Glycine (an amino acid abundant in bone broth and gelatin) is the most common amino acid in collagen and must be available for synthesis. Zinc and copper are additional cofactors for collagen maturation enzymes.
Collagen Supplementation: What the Evidence Shows
Hydrolyzed collagen peptide supplementation (10-15g daily, taken with vitamin C 30-60 minutes before exercise) has been studied in randomized controlled trials for tendon and ligament health. A 2019 study in the British Journal of Sports Medicine showed that collagen supplementation with vitamin C increased collagen synthesis markers and improved collagen structure in the patellar tendon following a standardized exercise protocol. The evidence for benefit in tendinopathy is promising but evolving — collagen supplementation is a reasonable addition to conservative tendinopathy management, not a replacement for exercise rehabilitation.
Lifestyle Factors That Damage Collagen
Smoking dramatically impairs collagen synthesis and is one of the most significant modifiable risk factors for poor wound healing and tendon repair after surgery. Elevated blood sugar (in diabetes and prediabetes) causes glycation — sugar molecules binding non-enzymatically to collagen fibers, stiffening them and reducing their mechanical properties (this contributes to the limited joint mobility seen in long-standing diabetes). Chronic NSAID use may impair tendon collagen healing by blocking the prostaglandin pathways that stimulate collagen synthesis. Contact Balance Foot & Ankle at (810) 206-1402 for comprehensive evaluation and management of tendon conditions affecting your feet.
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The Role of Collagen in Foot Health
Collagen is the primary structural protein in tendons, ligaments, and joint cartilage throughout the foot. At Balance Foot & Ankle, Dr. Tom Biernacki addresses collagen-related foot problems including tendinopathy, ligament laxity, and cartilage degeneration with evidence-based treatments that support tissue health.
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Clinical References
- Kjaer M. Role of extracellular matrix in adaptation of tendon and skeletal muscle to mechanical loading. Physiol Rev. 2004;84(2):649-698.
- Shaw HM, Benjamin M. Structure-function relationships of entheses in relation to mechanical load and exercise. Scand J Med Sci Sports. 2007;17(4):303-315.
- Baar K. Minimizing injury and maximizing return to play: lessons from engineered ligaments. Sports Med. 2017;47(Suppl 1):5-11.
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Podiatrist-recommended products
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Supplement synergy
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Hoka Clifton 10
Max-cushion everyday shoe — podiatrist favorite for walking and running.
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- The Pinnacle Full length insoles for men & women provide maximum cushioning, from high activity to moderate support. The PowerStep arch support shape provides stability to the foot and ankle, helping to relieve foot pain.
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OOFOS Recovery Slide
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- Finding Your Size - For your perfect fit, consult the “size chart” link above. Wear a half size? In general, we recommend that women who wear a ½ size size UP, and men who wear a ½ size size DOWN
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Impact-absorbing recovery sandal — wear after long days on your feet.
As an Amazon Associate, Balance Foot & Ankle earns from qualifying purchases. Product recommendations are based on clinical experience; prices and availability shown above update live from Amazon.
When to See a Podiatrist
If foot or ankle pain has been bothering you for more than a few weeks, home care alone may not be enough. Balance Foot & Ankle offers same-week appointments at our Howell and Bloomfield Hills clinics — no referral needed in most cases. Bring your current shoes and a short list of symptoms and we’ll build you a treatment plan in one visit.
Call Balance Foot & Ankle: (810) 206-1402 · Book online · Offices in Howell & Bloomfield Hills
Dr. Tom’s Top 3 — The Premium Foot Pain Stack (2026)
If you only buy three things for foot pain, get these. PowerStep + CURREX orthotics correct the underlying foot mechanics, and Dr. Hoy’s pain gel delivers fast topical relief. This is the exact stack Dr. Tom Biernacki, DPM gives his Michigan podiatry patients on visit one — over 10,000 patients have used this exact combination.
Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed for 30+ days minimum. Last verified: April 28, 2026.
PowerStep Pinnacle MaxxDr. Tom’s #1 Brand
Dr. Tom’s most-prescribed OTC orthotic. Lateral wedge corrects overpronation that causes 90% of foot pain. Deep heel cradle stabilizes the ankle. Built by podiatrists, used by patients worldwide.
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CURREX RunProDr. Tom’s #1 Brand
3 arch heights for custom fit (Low/Med/High). Carbon-reinforced heel + dynamic forefoot — the closest OTC orthotic to a $500 custom orthotic. Engineered in Germany.
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.
- Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
- Plantar Fasciitis (APMA)
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)