Y
our nervous system runs on communication. Nerves send signals from the brain and spinal cord out to the rest of the body, and back again. Myelin is the protective, fatty coating wrapped around many nerve fibers. Think of it as insulation around wiring: it helps signals travel faster, more clearly, and with less electrical leakage. 1
Myelin is also part of a bigger support system. In the central nervous system (the brain and spinal cord), specialized cells called oligodendrocytes help build and maintain myelin. These cells do not just wrap nerves; they also support neurons structurally and metabolically, helping the nervous system meet energy demands over time.
What happens when myelin is damaged
When myelin is injured or breaks down, demyelination signals can slow down, become distorted, or fail to arrive at all. That disruption can show up in many ways, depending on which nerves are affected, including:
- Weakness or heaviness in limbs
- Numbness, tingling, or unusual sensations
- Balance and coordination issues
- Changes in vision
- Fatigue and cognitive fog
One of the best-known conditions involving demyelination is multiple sclerosis (MS), where immune activity contributes to damage in the central nervous system. 2 MS can look very different from person to person, but the common thread is that nerve communication becomes less reliable when myelin is compromised.
Why remyelination is important
Many current MS therapies focus on calming excessive immune activity. That can be valuable–especially for reducing relapses–but it does not automatically rebuild tissue that has already been injured.
That is why researchers are so interested in remyelination: the process of restoring myelin around previously damaged nerve fibers. 3 When remyelination occurs, the nervous system may regain some function, and the long-term trajectory of symptoms may improve.
Research spotlight: moving beyond inflammation control
In experimental models of MS-like damage (lab and animal studies), researchers have been testing drug candidates that aim to support myelin repair rather than only reducing inflammation.
A key idea emerging from this work is that damaged tissue can get stuck in an ongoing stress state. When that stress response stays switched on, it can interfere with the cells and signals needed for repair. In these models, blocking certain stress pathways appeared to create a more favorable environment for remyelination.
Important context: these findings are early-stage. Results in cells and animals do not guarantee the same outcomes in humans, especially because human MS includes complex tissue changes over time. Another practical hurdle is the blood-brain barrier, which limits what can safely and effectively reach the brain. Still, its encouraging when experimental compounds show they can reach the central nervous system in preclinical testing. 4
The cell health angle: mitochondria and oxidative stress
Two themes often show up in discussions of nervous system resilience:
- Mitochondrial function: Mitochondria are the energy centers of cells. When mitochondria are impaired, whether through aging, inflammation, or broader neurodegenerative processes, cells may struggle to keep up with repair and maintenance. 5
- Oxidative stress: Oxidative stress is an imbalance between reactive molecules (often called free radicals) and the body’s ability to neutralize them. Over time, oxidative stress can damage lipids (fats), proteins, and DNA. 6
Myelin is particularly vulnerable because it is lipid-rich. 7 When oxidative stress rises, it can contribute to a cycle: mitochondrial strain increases oxidative stress, and oxidative stress further harms mitochondria.
Demyelination and vision: why the eyes are often involved
Vision is not just the eyes–it is a brain-intensive process. A large portion of the brain is involved in interpreting visual information, and the optic nerve is essentially a direct extension of the central nervous system. 8
When nerve signaling is disrupted, vision symptoms can be one of the earliest or most noticeable changes. Examples that are often discussed in relation to MS and other neurological conditions include:
- Optic neuritis: inflammation of the optic nerve is often a first sign of MS. It may cause temporary vision loss, eye pain, and reduced color clarity. 9
- Eye movement issues: such as nystagmus (involuntary eye movements) or pupil irregularities.
- Double vision (diplopia): often related to nerve signaling problems that affect eye muscle coordination.
- Visual field changes: loss of peripheral or central vision, which can have multiple neurological causes.
Separately, researchers have also explored whether demyelination-like processes may contribute to neurodegenerative eye conditions. For example, glaucoma is characterized by progressive damage to retinal ganglion cells and the optic nerve. 10 Some question whether early changes in myelin support could play a role in the prognosis. 11121314
Diet patterns and MS risk
Multiple factors contribute to multiple sclerosis. MS research often looks at how diet relates to inflammation and nervous system stress. Some studies have reported associations between higher MS prevalence and diets high in:
- Saturated fats
- Added sugars and refined carbohydrates
- Alcohol
- Processed or smoked meats
- Excess omega-6 intake relative to omega-3s
Associations are not proof of cause, but they can still be useful as a practical guide: many of these patterns overlap with what we already know supports healthier aging, circulation, and metabolic stability.
Nutrients that support myelin and nerve function
Myelin maintenance depends on structural building blocks, which are fats and phospholipids. Myelin also requires metabolic support, including vitamins and minerals. They help cells make energy and manage inflammation.
Nutrients for myelin support and nerve function include:
- Omega-3s (especially DHA): important for nervous system structure and signaling.
- Vitamin B12: essential for nerve health. 15
- Choline: supports acetylcholine signaling and phospholipid production.
- Iron: involved in brain energy metabolism and neurological function (both low and excess iron can be problematic, so testing matters). 16
- Vitamin D: often discussed in MS research; some researchers have found low levels of vitamin D associated with worse outcomes. 17
A note on gluten and lectins
Some people report sensitivity to wheat-related components. One area of discussion involves wheat lectins (often referenced as WGA). 18 The practical point for many readers is not to fear food, but to notice patterns: watch and see if certain foods often worsen digestive, inflammatory, or neurological symptoms. If so, it may be worth getting a structured food elimination trial with professional guidance.
Polyphenols and anti-inflammatory support
Polyphenols are plant compounds that may help modulate inflammatory signaling and oxidative stress. 19 Food sources include:
- Brightly colored fruits, such as berries
- Dark chocolate and cocoa
- Herbs and spices
- Green tea
Rather than chasing one superfood, consistency matters: a daily pattern of colorful plants tends to be more meaningful than occasional bursts.
What you can do
Are you an older adult thinking about nerve health, MS, or vision resilience? Consider these ideas.
- Build meals around omega-3-rich foods. Many of us cannot get enough omega-3 fatty acids in our diets. Therefore, discuss supplementation with your doctor or nutritionist if you are concerned.
- Reduce the inflammation stack: high sugar + refined carbs + alcohol + ultra-processed foods
- Prioritize sleep and movement. Both influence inflammation, mitochondrial health, and brain resilience
- Take vision changes seriously: sudden changes in vision, eye pain, or double vision should be evaluated promptly.
Conclusion
The most encouraging shift in neurological research is the growing focus on repair and resilience, not only symptom management. While early-stage drug research is still a long road, it demonstrates a broader insight: supporting the cells that build and protect myelin may be central to improving long-term outcomes.
Suggested Supplements Consider
NEW: MethylCare™ 120 vcaps – this gluten and GMO free formula provides a range of nutrients to help support the myelin sheath, heart and energy production.
Dr. Grossman’s Complete Eye Formula 2oz (oral spray)
Dr. Grossman’s Meso Plus Formula with Astaxanthin – 90 vcaps (3-month supply)
Advanced Eye & Vision Support Formula (whole food) 60 vcaps
ReVision Formula (wild-crafted herbal formula) 2 oz – based on classic Chinese medicine Liver tonic formula to help support healthy circulation and blood flow throughout the eyes and body, and promote healthy nerve function.
Dr. Grossman’s Bilberry/Ginkgo Combination 2oz (60ml) – helps support healthy circulation, and strengthens blood vessels and capillaries.
Dr. Grossman’s Whole Food Organic Superfood Multi-Vitamin 120 Vcaps – whole food, organic, GMO free multivitamin.
ACG Glutathione EXTRA STRENGTH Spray 2oz. = glutathione is used throughout the body, eyes and brain, and can neutralize the full spectrum of free radicals. Also available in 4oz bottle.
NMN Wonderfeel Capsul 60 vegcaps – helps protect ganglion cells in the retina and optic nerves from damage, reduces inflammation, supports the immune system.
H2 Elite Molecular Hydrogen 60 tabs – negative effects of chronic/persistent oxidative stress that is closely related to the pathogenesis of many lifestyle-related diseases, aging, and cancer
Supplement Packages
AMD Package 1 (3-month supply)
Brain and Memory Support Package 1
Recommended Books
Natural Eye Care: Your Guide to Healthy Vision and Healing
Natural Parkinson’s Support: Your Guide to Preventing and Managing Parkinson’s
- Nave KA, Werner HB. Myelination of the nervous system: mechanisms and functions. Annu Rev Cell Dev Biol. 2014;30:503533. doi:10.1146/annurev-cellbio-100913-113101. ↩
- Mahad DH, Trapp BD, Lassmann H. Pathological mechanisms in progressive multiple sclerosis. Lancet Neurol. 2015;14:183193. doi:10.1016/S1474-4422(14)70256-X. ↩
- Franklin RJ. Why does remyelination fail in multiple sclerosis? Nat Rev Neurosci. 2002;3(9):705714. doi:10.1038/nrn917. ↩
- SciTechDaily. Scientists may have found a way to repair nerve damage in multiple sclerosis. Available from: https://scitechdaily.com/scientists-may-have-found-a-way-to-repair-nerve-damage-in-multiple-sclerosis/. ↩
- Lin MT, Beal MF. Mitochondrial dysfunction and oxidative stress in neurodegenerative diseases. Nature. 2006;443:787795. doi:10.1038/nature05292. ↩
- Kehrer JP, Klotz LO. Free radicals and related reactive species as mediators of tissue injury and disease: implications for health. Crit Rev Toxicol. 2015;45:765798. doi:10.3109/10408444.2015.1074159. ↩
- French HM, Reid M, Mamontov P, Simmons RA, Grinspan JB. Oxidative stress disrupts oligodendrocyte maturation. J Neurosci Res. 2009;87:30763087. doi:10.1002/jnr.22139. ↩
- Johns Hopkins Medicine. Neurovisual disorders. Available from: https://www.hopkinsmedicine.org/health/conditions-and-diseases/neurovisual-disorders. ↩
- Kimura A, Namekata K, Guo X, Noro T, Harada C, Harada T. Targeting oxidative stress for treatment of glaucoma and optic neuritis. Oxid Med Cell Longev. 2017;2017:2817252. doi:10.1155/2017/2817252. ↩
- Weinreb RN, Aung T, Medeiros FA. The pathophysiology and treatment of glaucoma: a review. JAMA. 2014;311:19011911. doi:10.1001/jama.2014.3192. ↩
- Jones-Odeh E, Hammond CJ. How strong is the relationship between glaucoma, the retinal nerve fibre layer, and neurodegenerative diseases such as Alzheimers disease and multiple sclerosis? Eye (Lond). 2015;29:12701284. doi:10.1038/eye.2. ↩
- He S, Stankowska DL, Ellis DZ, Krishnamoorthy RR, Yorio T. Targets of neuroprotection in glaucoma. J Ocul Pharmacol Ther. 2018;34:85106. doi:10.1089/jop.2017.0041. ↩
- Garaci FG, Bolacchi F, Cerulli A, Melis M, Spano A, Cedrone C, et al. Optic nerve and optic radiation neurodegeneration in patients with glaucoma: in vivo analysis with 3-T diffusion-tensor MR imaging. Radiology. 2009;252:496501. doi:10.1148/radiol.2522081240. ↩
- Zhang QJ, Wang D, Bai ZL, Ren BC, Li XH. Diffusion tensor imaging of optic nerve and optic radiation in primary chronic angle-closure glaucoma using 3T magnetic resonance imaging. Int J Ophthalmol. 2015;8:975979. doi:10.3980/j.issn.2222-3959.2015.05.22. ↩
- Mastronardi FG, Min W, Wang H, Winer S, Dosch M, Boggs JM, Moscarello MA. Attenuation of experimental autoimmune encephalomyelitis and nonimmune demyelination by IFN-beta plus vitamin B12: treatment to modify notch-1/sonic hedgehog balance. J Immunol. 2004;172(10):64186426. doi:10.4049/jimmunol.172.10.6418. ↩
- Munoz P, Humeres A. Iron deficiency on neuronal function. Biometals. 2012;25(4):825835. ↩
- Smolders J, Damoiseaux J, Menheere P, Hupperts R. Vitamin D as an immune modulator in multiple sclerosis, a review. J Neuroimmunol. 2008;194(12):717. doi:10.1016/j.jneuroim.2007.11.014. ↩
- Hashimoto S, Hagino A. Wheat germ agglutinin, concanavalin A, and Lens culinaris agglutinin block the inhibitory effect of nerve growth factor on cell-free phosphorylation of Nsp10 in PC12h cells. Cell Struct Funct. 1989;14(1):8793. ↩
- Wang J, Ren Z, Xu Y, Xiao S, Meydani SN, Wu D. Epigallocatechin-3-gallate ameliorates experimental autoimmune encephalomyelitis by altering balance among CD4+ T-cell subsets. Am J Pathol. 2012;180(1):221234. doi:10.1016/j.ajpath.2011.09.007. ↩
