Chiropractic Restoration Techniques Uncovered for Metabolic Health

Chiropractic restoration for metabolic health can play a vital role in improving your health and overall body function.

Abstract

Cellular vitality depends on continuous energy production and tissues’ ability to repair damage and regulate inflammation. At the center of these processes is nicotinamide adenine dinucleotide (NAD+), a coenzyme required for redox reactions that generate ATP and a substrate for protective enzymes, including sirtuins and poly(ADP-ribose) polymerases. When NAD+ pools decline—as occurs with aging, chronic inflammation, nutrient excess, toxic exposures, or biomechanical stress—mitochondrial function falters, reactive oxygen species rise, DNA repair capacity falls, and tissues across the cardiovascular, metabolic, and nervous systems become vulnerable to progressive dysfunction.

In this educational post written for a general audience, I, Dr. Alexander Jimenez, DC, APRN, FNP-BC, CFMP, IFMCP, ATN, CCST, outline the physiological mechanisms that connect NAD+ biochemistry to endothelial dysfunction and atherosclerosis, dilated cardiomyopathy, type 2 diabetes, and neurodegenerative changes that share features with Alzheimer’s disease. I present findings drawn from modern laboratory and translational research on NAD+ precursors and related pathways, while noting areas where human clinical data remain limited or mixed. I also describe how, at Injury Medical Clinic PA (also known as Mission Plaza Injury Medical Clinic) in El Paso, Texas, Medical Director Dr. Maria Guadalupe Cardenas, MD (Board Certified in Internal Medicine, NPI #1164426749, Texas MD License #J2933), with more than forty years of experience as an internist, provides collaborative medical oversight alongside my dual credentials in chiropractic and advanced practice nursing. Together, we integrate internal-medicine diagnostics and co-management with functional nutrition, targeted metabolic support, personal-injury rehabilitation, and non-surgical integrative chiropractic care to restore cellular energy pathways and structural biomechanics.

The journey begins inside the mitochondrion, moves through the shared inflammatory and bioenergetic roots of several chronic conditions, and concludes with the practical, multidisciplinary protocols we use in our clinic.

Understanding the Cellular Engine and the Role of NAD+

Every cell in the human body relies on a continuous stream of chemical reactions. These reactions do not proceed at life-sustaining speeds without biological catalysts called enzymes. An enzyme is a folded protein that lowers the activation energy of a specific reaction. However, most enzymes remain inactive on their own. They require a coenzyme or cofactor to complete the active site and enable catalysis. NAD+ is one of the most widely used coenzymes.

In its oxidized form (NAD+) and reduced form (NADH), the molecule shuttles electrons through central metabolic pathways. In glycolysis, the tricarboxylic acid (Krebs) cycle, and the electron-transport chain, NAD+/NADH cycling allows controlled energy extraction from fuels and eventual ATP production. This redox role is non-destructive: the same molecule is oxidized and reduced many times.

A second, distinct role is consumptive. Certain enzymes break NAD+ into nicotinamide and ADP-ribose. The major consumers include the sirtuin family (SIRT1–SIRT7), which deacetylate proteins to regulate metabolism, inflammation, and mitochondrial biogenesis; the poly(ADP-ribose) polymerases (especially PARP1), which detect DNA strand breaks and initiate repair; and the ectoenzymes CD38 and CD157, which rise during inflammation and immune activation. Because these pathways consume NAD+, sustained increases in their activity can deplete the total intracellular pool even as redox cycling continues.

With chronological aging, systemic inflammation, hyperglycemia, hypertension, or repeated biomechanical trauma, the balance tips toward consumption. Inflammatory upregulation of CD38 and continuous PARP1 activation in response to oxidative DNA damage accelerate the drain. The resulting NAD+ scarcity impairs both ATP generation and the protective deacetylation activities of the sirtuins. Mitochondrial membrane potential falls, electron leak increases, and reactive oxygen species (ROS) accumulate. This shortage also limits DNA-repair capacity and shifts epigenetic marks toward pro-inflammatory gene expression. In short, NAD+ depletion is not merely a laboratory curiosity; it is a plausible upstream contributor to the progressive loss of tissue resilience observed in multiple chronic diseases.

Atherosclerosis and Endothelial Dysfunction Viewed Through a Mitochondrial Lens

Atherosclerosis is an active inflammatory disease of the arterial wall, not simply the passive accumulation of cholesterol. The vascular endothelium functions as a dynamic organ that regulates vessel tone, prevents inappropriate clotting, and controls leukocyte entry. When advanced glycation end-products, mechanical shear from hypertension, circulating cytokines, or oxidative stress injure this lining, endothelial nitric-oxide synthase (eNOS) can become uncoupled. Instead of producing the vasodilator nitric oxide, the enzyme generates superoxide. Circulating low-density lipoprotein particles that enter the subendothelial space become oxidized, leading to expression of adhesion molecules such as VCAM-1 and ICAM-1 and recruitment of monocytes. These monocytes differentiate into macrophages that ingest oxidized LDL and form foam cells, building the necrotic core of an atherosclerotic plaque.

NAD+-dependent pathways intersect this cascade at several points. SIRT1 can deacetylate the p65 subunit of NF-κB, thereby reducing transcription of adhesion molecules and other inflammatory mediators. Restoring an adequate NAD+/NADH ratio supports eNOS recoupling and nitric oxide bioavailability. In addition, mitochondrial sirtuin activity influences macrophage autophagy and reverse cholesterol transport, processes that can limit necrotic-core expansion.

Preclinical studies of NAD+ precursors have produced mixed results, underscoring the need for careful interpretation. In some ApoE-deficient mouse models fed a high-cholesterol diet, moderate nicotinamide riboside (NR) supplementation has been associated with reduced vascular inflammation and, in some reports, slower plaque growth. Other studies report that high-dose NR increases plaque burden, plasma TNF-α and IL-6, and hepatic CD38 expression (Wang et al., 2025). These findings suggest that the net effect depends on dose, the prevailing inflammatory milieu, and the balance between sirtuin activation and CD38-driven NAD+ consumption. A 2024 review of NAD+ metabolism in cardiovascular disease concluded that strategies that raise NAD+ can reduce low-grade inflammation and improve mitochondrial function in vascular cells in animal models. Still, human outcome data remain limited (Zhang et al., 2024). Consequently, any clinical use of NAD+ precursors or direct NAD+ administration must occur under medical supervision, with serial monitoring of inflammatory and lipid markers and with attention to individual risk factors.

Integrative chiropractic care enters this picture through the bidirectional relationship between mechanical stress and vascular biology. Chronic spinal or peripheral joint dysfunction can sustain sympathetic hyperactivity, elevate circulating catecholamines, and produce local microvascular stasis. The resulting tissue hypoxia and shear stress further impair endothelial function and accelerate NAD+ consumption. Targeted high-velocity, low-amplitude, or instrument-assisted adjustments stimulate mechanoreceptors in the joint capsule and deep paraspinal tissues. According to the gate-control theory, the resulting afferent barrage can inhibit nociceptive transmission at the dorsal horn while simultaneously reducing excessive sympathetic outflow. Improved segmental motion facilitates local blood flow and lymphatic drainage, lowering the hypoxic and inflammatory load that otherwise depletes NAD+. In our clinic, we coordinate these biomechanical interventions with Dr. Cardenas’s medical oversight to address vascular risk factors alongside structural restoration.

Cardiac Bioenergetics and Dilated Cardiomyopathy

The myocardium is the body’s most energy-demanding tissue, consuming roughly six kilograms of ATP each day to sustain continuous contraction. Under normal conditions, 60–90 percent of this ATP comes from fatty-acid oxidation, and the remainder comes from glucose and lactate. Both pathways converge on the mitochondrial electron-transport chain. In dilated cardiomyopathy—whether ischemic or non-ischemic—mitochondrial complex I subunits are downregulated, the NAD+/NADH ratio falls, and mitochondrial proteins become hyperacetylated because SIRT3 activity declines. Calcium overload and ROS open the mitochondrial permeability transition pore, collapse the membrane potential, trigger cardiomyocyte apoptosis, and promote fibrotic remodeling.

A landmark 2018 Circulation study showed that dietary supplementation with the NAD+ precursor nicotinamide riboside attenuated heart failure development in two mouse models of dilated cardiomyopathy and pressure overload (Diguet et al., 2018). The intervention stabilized myocardial NAD+ levels, more robustly improved left-ventricular function in the dilated-cardiomyopathy model, and increased several NAD+ metabolites that can serve as biomarkers of pathway engagement. These preclinical data support the concept that restoring NAD+ availability can reverse selected bioenergetic deficits, yet they do not establish efficacy or safety of any particular human dosing regimen.

In clinical practice, the same principles inform a cautious, individualized approach. Under Dr. Cardenas’s collaborative supervision, patients with early left-ventricular dilation or reduced ejection fraction undergo comprehensive metabolic and inflammatory profiling. When appropriate, NAD+ precursors or carefully titrated parenteral NAD+ may be considered as adjuncts to guideline-directed medical therapy, lifestyle modification, and rehabilitation. Concurrent integrative chiropractic care addresses thoracic and cervical biomechanics that influence autonomic tone. Elevated sympathetic drive increases myocardial workload and oxygen demand; restoring segmental motion and improving heart-rate variability can reduce this unnecessary load, lessening the bioenergetic stress that further depletes NAD+.

Type 2 Diabetes as a Primary Disorder of Mitochondrial Electron Handling

Conventional management of type 2 diabetes centers on lowering circulating glucose. Functional and molecular perspectives, however, locate the primary lesion inside the mitochondrion. When caloric intake chronically exceeds energy demand, the Krebs cycle floods the electron transport chain with reducing equivalents. Membrane potential rises, electron flow stalls at complexes I and III, and premature electron leak generates superoxide. The resulting ROS damage mitochondrial DNA and cardiolipin, activate nuclear PARP1, and rapidly consume NAD+. Without sufficient NAD+, SIRT1 cannot deacetylate insulin-signaling intermediates; inflammatory kinases phosphorylate IRS-1 on serine residues, blocking GLUT4 translocation. Insulin resistance is therefore, in part, a cellular self-defense against further substrate overload.

Pancreatic beta cells are especially vulnerable because insulin secretion depends on mitochondrial ATP production that closes ATP-sensitive potassium channels. NAD+ depletion impairs this sensing mechanism and contributes to progressive beta-cell failure.

Multiple mouse studies have shown that NR or nicotinamide mononucleotide supplementation can improve glucose tolerance, reduce hepatic steatosis, and protect against diabetic neuropathy (Trammell et al., 2016; Yoshino et al., 2011). Human trials of oral precursors have consistently increased blood and tissue NAD+ metabolites and, in some cohorts, improved muscle insulin sensitivity, but effects on fasting glucose or HbA1c have varied (Connell et al., 2019; systematic reviews through 2025). These data justify continued investigation while underscoring that nutritional and lifestyle interventions remain foundational.

At Mission Plaza Injury Medical Clinic, Dr. Cardenas’s medical team begins the metabolic program with laboratory assessment of fasting insulin, HOMA-IR, advanced lipid particles, and high-sensitivity C-reactive protein. Nutritional counseling emphasizes low-glycemic, polyphenol-rich patterns and, when appropriate, time-restricted feeding that naturally activates AMPK and SIRT1. Methylation cofactors (L-5-methyltetrahydrofolate, methylcobalamin, trimethylglycine) are supplied because NAD+ consumption generates nicotinamide that must be methylated for excretion; inadequate methyl-donor status can elevate homocysteine. Integrative chiropractic adjustments reduce sympathetic-driven elevations in cortisol and catecholamines, which themselves promote insulin resistance and hepatic glucose output. Photobiomodulation directed at cytochrome-c oxidase can further support local ATP synthesis in injured or metabolically stressed tissues, working synergistically with systemic NAD+ support.

Neurodegeneration, Mitochondrial Failure, and the Limits of the Amyloid Hypothesis

For decades, the dominant hypothesis held that extracellular amyloid-beta plaques were the primary drivers of Alzheimer’s disease. However, large clinical trials that successfully cleared plaques produced little or no cognitive benefit and, in some cases, accelerated decline. Contemporary research increasingly frames amyloid accumulation as a downstream response to upstream bioenergetic failure. Neurons make up roughly 2 percent of body mass yet consume about 20 percent of resting energy and depend on continuous mitochondrial ATP production. When NAD+ declines, SIRT3 activity falls, superoxide dismutase 2 remains acetylated and inactive, ROS rise, and the integrated stress response is activated. Stress-pathway signaling upregulates beta-secretase (BACE1), increasing cleavage of amyloid precursor protein into amyloid-beta. Tau hyperphosphorylation follows. Thus, amyloid and tau mark cellular distress rather than serving as the sole initiating events.

Supporting evidence includes a 2018 PNAS study in which nicotinamide riboside normalized the cerebral NAD+/NADH ratio, increased SIRT3 activity, reduced phosphorylated tau and DNA damage, attenuated neuroinflammation, and improved synaptic plasticity and cognitive performance in a DNA-repair-deficient Alzheimer’s mouse model (Hou et al., 2018). Parallel work shows that SIRT3 overexpression rescues ATP production and mitochondrial function in hippocampal cells exposed to amyloid (Yin et al., 2018). Mitophagy—the selective clearance of damaged mitochondria—also depends on NAD+/SIRT1; restoring it helps maintain synaptic integrity.

These findings do not imply that NAD+ repletion is a proven disease-modifying therapy for human Alzheimer’s disease. They do indicate that strategies that support neuronal NAD+ pools, reduce oxidative stress, and enhance mitochondrial quality control merit careful clinical study. In our practice, Dr. Cardenas evaluates patients with subjective cognitive decline or mild impairment to exclude reversible causes, then assesses inflammatory burden, glycemic control, and autonomic tone. Non-surgical chiropractic and rehabilitative interventions improve cervical lordosis and reduce nociceptive drive that can sustain central sensitization and elevated cortisol—both of which impair hippocampal metabolism. When indicated, clinicians introduce NAD+ precursors or parenteral support under medical supervision alongside lifestyle measures, including physical activity, sleep optimization, and anti-inflammatory nutrition.

The Shared Root: Inflammation, Metabolic Stress, and NAD+ Depletion

Cardiovascular disease, dilated cardiomyopathy, type 2 diabetes, and neurodegenerative disorders are clinically distinct yet share a common upstream axis. Environmental, dietary, and biomechanical stressors activate NF-κB-driven cytokine production. Cytokines upregulate CD38, which consumes NAD+. Oxidative DNA damage simultaneously hyperactivates PARP1, further depleting the pool. Sirtuins are left without substrate; histone hyperacetylation reactivates inflammatory genes, PGC-1α-driven mitochondrial biogenesis stalls, and mitophagy fails. Damaged mitochondria continue to generate ROS, perpetuating the cycle.

Breaking the cycle requires simultaneous attention to the inflammatory triggers, the bioenergetic deficit, and the structural factors that maintain sympathetic dominance and tissue hypoxia. Single-agent pharmacologic approaches that suppress symptoms without restoring NAD+ availability or correcting biomechanics leave the underlying engine impaired.

The Mission Plaza Multidisciplinary Model

Injury Medical Clinic PA operates as a collaborative practice, with Dr. Maria Guadalupe Cardenas, MD, serving as Medical Director and Collaborative Physician. Board-certified in internal medicine with more than four decades of clinical experience managing complex chronic disease and polypharmacy, Dr. Cardenas provides diagnostic oversight, biomarker interpretation, and medical clearance for all advanced metabolic interventions. I contribute dual licensure as a Doctor of Chiropractic and board-certified Family Nurse Practitioner, together with certifications in functional medicine (CFMP, IFMCP). This structure is common in integrative and personal-injury settings: the internist ensures medical safety and co-manages systemic disease, while the chiropractor-nurse practitioner provides neuromusculoskeletal restoration, functional nutrition, and rehabilitative programming.

Comprehensive intake includes fasting insulin and glucose, HbA1c, HOMA-IR, high-sensitivity CRP, advanced lipid particles (ApoB, oxidized LDL), selected organic acids, and heart-rate-variability analysis. Digital motion radiography documents segmental biomechanics. Under joint review, an individualized plan is constructed that may encompass:

• Guideline-directed medical therapy and medication reconciliation directed by Dr. Cardenas
• Subcutaneous or intravenous NAD+ titration (typically beginning at lower doses and advancing only with documented tolerance and laboratory follow-up)
• Methylation support and polyphenol co-factors that allosterically enhance sirtuin affinity or inhibit CD38
• Low-glycemic, anti-inflammatory nutrition and, when appropriate, time-restricted feeding
• Integrative chiropractic adjustments, instrument-assisted soft-tissue work, and active rehabilitation to restore joint kinematics and normalize autonomic tone
• Class-IV photobiomodulation to stimulate cytochrome-c oxidase and local ATP synthesis
• Serial reassessment of biomarkers and functional outcomes at 8- to 12-week intervals

Clinical observations accumulated over years of practice indicate that patients who receive coordinated metabolic and biomechanical care frequently report improved energy, reduced musculoskeletal pain, better sleep, and measurable declines in inflammatory markers. These observations align with mechanistic literature yet remain limited by uncontrolled clinical experience; they motivate, rather than replace, rigorous controlled trials.

Why Each Element of the Protocol Is Used

Parenteral NAD+ bypasses gastrointestinal degradation and rapidly elevates circulating levels, allowing immediate substrate availability for sirtuins and PARPs. Subcutaneous micro-dosing provides a more sustained tissue exposure and is practical for maintenance. Methylation cofactors prevent secondary elevation of homocysteine that can itself promote endothelial injury. Resveratrol and related stilbenes increase SIRT1’s affinity for NAD+, amplifying the effect of any given NAD+ concentration. Quercetin and apigenin inhibit CD38, slowing the inflammatory consumption of newly supplied NAD+. Alpha-lipoic acid and ubiquinol support electron-transport efficiency and protect mitochondrial membranes from lipid peroxidation.

Chiropractic adjustments are employed because persistent nociceptive afferent traffic maintains sympathetic hyperactivity, vasoconstriction, and tissue hypoxia—conditions that accelerate NAD+ depletion and ROS generation. By stimulating mechanoreceptors and engaging spinal gating mechanisms, adjustments reduce this drive, improve local perfusion, and create a tissue environment more conducive to mitochondrial recovery. Photobiomodulation supplies photons absorbed by cytochrome-c oxidase, transiently increasing electron-transport activity and ATP while the systemic NAD+ pool is being restored. Nutritional and circadian interventions activate endogenous AMPK–SIRT1 pathways, reducing reliance on exogenous supplementation over time.

Illustrative Clinical Patterns

While individual results vary and no protocol guarantees reversal of established disease, our clinic has observed recurring patterns. Patients with metabolic syndrome and early cognitive complaints who complete a structured program of dietary modification, methylation support, carefully supervised NAD+ repletion, and regular chiropractic care often show reductions in HbA1c and high-sensitivity CRP, along with improved scores on brief cognitive screening instruments. Individuals recovering from whiplash or other acceleration–deceleration injuries who receive concurrent autonomic-normalizing adjustments, photobiomodulation, and metabolic support often show restoration of cervical lordosis, normalization of heart-rate-variability indices, and resolution of post-traumatic fatigue and headache. These patterns align with the mechanistic rationale outlined above and are documented in de-identified case summaries available through the clinical portal at dralexjimenez.com.

Conclusion: Restoring Energy and Structure Together

Health is not the absence of a single biomarker abnormality; it is the sustained capacity of cells to generate ATP, repair DNA, regulate inflammation, and of the musculoskeletal system to move without nociceptive overload. NAD+ sits at the center of the first set of capacities. Biomechanical integrity and balanced autonomic tone are central to the second. When collaborative medical and chiropractic care addresses both, patients gain the cellular fuel and structural freedom needed for repair.

At Injury Medical Clinic PA in El Paso, Dr. Maria Guadalupe Cardenas, MD, and I partner to deliver that dual restoration. By combining internal-medicine oversight, functional diagnostics, targeted metabolic therapies, and non-surgical integrative chiropractic rehabilitation, we seek to move patients beyond temporary symptom suppression toward measurable improvements in energy, metabolic control, vascular resilience, cognitive clarity, and pain-free movement.

Readers seeking further clinical observations and educational resources may visit https://dralexjimenez.com/ and the professional profile at https://www.linkedin.com/in/dralexjimenez/.

References

• Connell, N. J., Houtkooper, R. H., & Schrauwen, P. (2019). NAD+ metabolism as a target for metabolic health: Have we found the silver bullet? Diabetologia, 62(6), 888–899. https://doi.org/10.1007/s00125-019-4831-3
• Diguet, N., Trammell, S. A. J., Tannous, C., Deloux, R., Piquereau, J., Mougenot, N., … Mericskay, M. (2018). Nicotinamide riboside preserves cardiac function in a mouse model of dilated cardiomyopathy. Circulation, 137(21), 2256–2273. https://doi.org/10.1161/CIRCULATIONAHA.116.026099
• Hou, Y., Lautrup, S., Cordonnier, S., Wang, Y., Croteau, D. L., Zavala, E., … Bohr, V. A. (2018). NAD+ supplementation normalizes key Alzheimer’s features and DNA damage responses in a new AD mouse model with introduced DNA repair deficiency. Proceedings of the National Academy of Sciences, 115(8), E1876–E1885. https://doi.org/10.1073/pnas.1718819115
• Trammell, S. A. J., Weidemann, B. J., Chadda, A., Yorek, M. S., Holmes, A., Coppey, L. J., … Brenner, C. (2016). Nicotinamide riboside opposes type 2 diabetes and neuropathy in mice. Scientific Reports, 6, 26933. https://doi.org/10.1038/srep26933
• Wang, Y. J., Gaul, D. S., Gorica, E., Pahla, J., Wang, Z., Mohammed, S. A., … Matter, C. M. (2025). NAD+ boosting increases atherosclerotic plaques and inflammation in Apoe knockout mice. Atherosclerosis, 404, 119188. https://doi.org/10.1016/j.atherosclerosis.2025.119188https://doi.org/10.1016/j.atherosclerosis.2025.119188
• Yin, J., Li, S., Nielsen, M., Carcione, T., Liang, W. S., & Shi, J. (2018). Sirtuin 3 attenuates amyloid-β-induced neuronal hypometabolism. Aging, 10(10), 2874–2886. https://doi.org/10.18632/aging.101592
• Yoshino, J., Mills, K. F., Yoon, M. J., & Imai, S. (2011). Nicotinamide mononucleotide, a key NAD+ intermediate, treats the pathophysiology of diet- and age-induced diabetes in mice. Cell Metabolism, 14(4), 528–536. https://doi.org/10.1016/j.cmet.2011.08.014
• Zhang, X., Zhang, Y., Sun, A., & Ge, J. (2024). The role of NAD+ metabolism in cardiovascular diseases: Mechanisms and prospects. American Journal of Cardiovascular Drugs. Advance online publication. https://doi.org/10.1007/s40256-024-00711-y
• Jimenez, A. (n.d.). Clinical observations and educational resources. https://dralexjimenez.com/
• Jimenez, A. (n.d.). Professional profile. https://www.linkedin.com/in/dralexjimenez/

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