health
Peripheral Nerve Damage
Adverse effectPeripheral nerve damage describes harm affecting peripheral nerves and is treated here as an unwanted health outcome rather than a desired effect. The topic is considered in relation to several interventions, including Vitamin B6 (Pyridoxine), Astragalus, Ice Bath / Cold Plunge, and MSM (Methylsulfonylmethane).
Learn more about Peripheral Nerve Damage as a health topic and review the information gathered in one place.
These are research findings, not promises. Most options have little evidence, and results differ from person to person.
What can cause it
How likely each one is to cause it, most likely first.
AcupuncturepracticeUnclear
Based on 3 studies. Strongest study: a pooled analysis of several trials.
In studies of people with migraine, pooled analyses of randomized trials reported skin numbness, while a systematic review reported temporary nerve irritation.
Open the Acupuncture pageOzone TherapypracticeUnclear
Based on one study. Strongest study: a pooled analysis of several trials.
A 2025 pooled analysis of randomized and non-randomized human studies listed nerve injury among reported complications, alongside discitis, infection, bleeding, and damage to the annulus fibrosus.
Open the Ozone Therapy pageBreathworkpracticeUnclear
Based on one study. Strongest study: a randomized controlled trial.
A 2026 trial of 62 people reported nerve pain or painful tingling in the legs that led some participants to stop the breathing exercises.
Open the Breathwork pageBlack SalvepracticeUnclear
Based on one study.
Deep tissue destruction may injure skin or deeper nerves, potentially causing persistent numbness, altered sensation, or neuropathic pain.
Open the Black Salve pageIce Bath / Cold PlungepracticeUnclear
Based on one study.
Long or very cold immersion can chill nerves near the skin of the hands and feet enough to cause numbness and, rarely, lasting non-freezing cold injury to those nerves.
Open the Ice Bath / Cold Plunge pageMassagepracticeUnclear
Based on one study.
Rare cases of nerve compression injury or paresthesia have been reported after forceful deep pressure over superficial nerves.
Open the Massage pageFoam RollingpracticeUnclear
Based on one study.
Prolonged or high-pressure rolling over superficial nerves, such as the peroneal nerve at the fibular head, may lead to neurapraxia or transient paresthesia.
Open the Foam Rolling pageCyclingpracticesimple.meter.userReports
Based on one study.
Open the Cycling page
The expert view shows every study, dose protocol and source.
What can cause it
Interventions reported to bring this on9 listedHighest probability
- →PracticesAcupunctureCertaintyLowSourceClinical3 other sources
In studies of people with migraine, pooled analyses of randomized trials reported skin numbness, while a systematic review reported temporary nerve irritation.
- →PracticesOzone TherapyCertaintyLowSourceClinical1 other source
A 2025 pooled analysis of randomized and non-randomized human studies listed nerve injury among reported complications, alongside discitis, infection, bleeding, and damage to the annulus fibrosus.
Who was studied
- People with a condition
Open Ozone TherapyStudy result
Discitis, infection, bleeding, nerve injury, damage to annulus fibrosus
- →PracticesBreathworkCertaintyLowSourceClinical1 other source
A 2026 trial of 62 people reported nerve pain or painful tingling in the legs that led some participants to stop the breathing exercises.
Who was studied
- People with a condition
Open BreathworkStudy result
Nerve pain / painful tingling in legs leading to discontinuation of breathing exercises
- →PracticesBlack SalveCertaintyLowSourceReference knowledge1 other source
Deep tissue destruction may injure skin or deeper nerves, potentially causing persistent numbness, altered sensation, or neuropathic pain.
Open Black SalveStudy result
Deep tissue destruction may injure cutaneous or deeper nerves, producing persistent numbness, altered sensation, or neuropathic pain.
- →PracticesIce Bath / Cold PlungeCertaintyLowSourceReference knowledge1 other source
Long or very cold immersion can chill nerves near the skin of the hands and feet enough to cause numbness and, rarely, lasting non-freezing cold injury to those nerves.
Open Ice Bath / Cold PlungeStudy result
Long or very cold immersion can chill the nerves near the skin of the hands and feet enough to cause numbness and, rarely, lasting non-freezing cold injury to those nerves.
- →PracticesMassageCertaintyLowSourceReference knowledge1 other source
Rare cases of nerve compression injury or paresthesia have been reported after forceful deep pressure over superficial nerves.
Open MassageStudy result
Rare cases of nerve compression injury or paresthesia are reported after forceful deep pressure over superficial nerves.
- →PracticesFoam RollingCertaintyLowSourceReference knowledge1 other source
Prolonged or high-pressure rolling over superficial nerves, such as the peroneal nerve at the fibular head, may lead to neurapraxia or transient paresthesia.
Open Foam RollingStudy result
Prolonged or high-pressure rolling over superficial nerves (e.g., peroneal nerve at fibular head) may lead to neurapraxia or transient paresthesia.
Low probability(2)
- →PracticesCyclingCertaintyLowSourceAnecdotal1 other source
Prolonged pressure on the perineum or ulnar nerve during cycling can cause pudendal neuralgia or handlebar palsy.
- →PracticesYogaCertaintyLowSourceAnecdotal1 other source
Rare case reports describe compressive nerve injury, such as peroneal or brachial plexus injury, from prolonged extreme or sustained postures such as lotus or kneeling.
How to read the evidence
Evidence tier — overall strength of the evidence for the whole compound
- StrongWell established — backed by strong, consistent human research.
- ModerateSome genuine support, but mostly from small or lower-quality studies. Promising, not proven.
- PreliminaryEarly-stage evidence — a promising hypothesis, not an established effect yet.
- LimitedVery limited evidence — treat this as a hypothesis, not proof.
- InsufficientNot enough good evidence to draw conclusions yet.
Certainty — how sure we can be that the effect is real
- Very highVery sure — strong, consistent evidence
- HighFairly sure — consistent evidence from good studies
- MediumModerately sure — new studies could change this
- LowNot sure — little or mixed evidence
- Very lowVery unsure — almost no usable evidence
Source — where the data comes from
- Meta-analysisPooled analysis of many trials — the strongest evidence
- RCTRandomized controlled trial — a strong human study design
- ClinicalA human clinical study
- Reference knowledgeFrom general health-science or pharmacology references, not a study of this exact claim
- Animal researchStudied in animals, not humans
- Community reportsAggregated user reports — anecdotal signal, not evidence
- TheoreticalMechanism-based reasoning, not yet tested
Study grade — quality of each underlying study (A best, D weakest)
- AHigh-quality — strong, consistent human trials
- BGood — solid evidence with some limitations
- CModerate — limited, small, or mixed-quality studies
- DWeak — preliminary, indirect, or animal-only
Confidence — how strongly the sources back a finding
A 0–100 score from study quality and agreement
Most supplement evidence is graded C–D. Read it as preliminary signal, not proof.
Full write-up
What is it
Peripheral nerve damage describes harm affecting peripheral nerves and is treated here as an unwanted health outcome rather than a desired effect. The topic is considered in relation to several interventions, including Vitamin B6 (Pyridoxine), Astragalus, Ice Bath / Cold Plunge, and MSM (Methylsulfonylmethane).
How interventions help
The interventions represented here are not established ways to improve Peripheral Nerve Damage. They are associated with causing or worsening nerve injury through several different routes, so they should not be interpreted as interchangeable treatments or as evidence that one approach protects nerves.
Some risks relate to excessive or prolonged intake. Vitamin B6, Selenium, and Zinc illustrate that supplement-related nerve problems can arise through different processes, including direct neurological effects or consequences of nutrient imbalance. The relevant concern is not simply whether a product is labeled as a supplement, but how continued use may affect nerve function.
Other routes are physical. Very low temperatures may injure nerves, while tissue-damaging products such as Black Salve may harm nerves directly. Yoga can also create problems when particular positions compress nerves. These mechanisms differ from supplement-related effects and may produce different patterns of altered sensation, weakness, numbness, or neuropathic pain.
Astragalus and MSM are supported by different kinds of evidence than the more direct pharmacology or physical-injury explanations. Their inclusion does not establish a general mechanism for Peripheral Nerve Damage, and the evidence should not be read as proof that either one is a treatment. Overall, the practical distinction is between intake-related toxicity, environmental exposure, direct tissue injury, and mechanical compression; the page does not identify an intervention that reverses established nerve damage.
Choosing guidance
When comparing these options as possible contributors to peripheral nerve damage, start with the type of exposure rather than treating them as interchangeable. Vitamin B6, Astragalus, and Ice Bath / Cold Plunge have clinical evidence, but the populations and exposure circumstances are not uniform: health status was not specified for the supplement options, while Ice Bath / Cold Plunge included mixed health status. This limits how confidently the findings can be applied to a particular person. The clinical findings also come from different kinds of evidence, so they should not be read as direct head-to-head comparisons.
Dose and duration are especially important for supplements. Vitamin B6 has a stated typical daily exposure, whereas Astragalus varies by formulation. For Selenium and Zinc, the concern is specifically linked to chronic excessive intake, so cumulative use and overlapping products matter more than a single exposure. For Ice Bath / Cold Plunge, Yoga, and Black Salve, the relevant consideration is the intensity or manner of use: very low temperatures, nerve-compressing positions, or deep tissue injury may be more important than a supplement-style dose. MSM has only anecdotal support here, while Selenium, Zinc, Black Salve, and Yoga are supported by pharmacology references rather than clinical studies. These options therefore suit different kinds of assessment: supplement users should review duration and total intake, while people considering physical or topical practices should focus on technique, intensity, and tissue exposure.