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Musculoskeletal

Rheumatoid Arthritis

Rheumatoid Arthritis is a condition within musculoskeletal health. In practical terms, it can involve experiences such as pain and stiffness, which may change during activities or interventions studied for this condition.

Rheumatoid Arthritis is classified within musculoskeletal health.

This list shows research findings, not treatments. Nothing here replaces medical care. If you have this condition, talk to a doctor.

What may help

What studies found for each option, best evidence first.

17 options:3 some evidence13 not enough evidence1 no benefit found

  • High-Intensity Interval Training (HIIT)practiceSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 3 studies with a clear result found a benefit.

    A review of randomized trials reported that HIIT improved cardiorespiratory fitness and health-related quality of life without exacerbating disease activity. In a trial of 89 people, both AHIIT and AMICT improved fatigue and overall health, but there were no between-group differences.

    Open the High-Intensity Interval Training (HIIT) page
  • Strength TrainingpracticeSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 2 studies with a clear result found a benefit.

    In older adults with rheumatic diseases, 14 of 17 studies (2,631 participants) showed positive effects of resistance training on bone health or BMD. In adults aged 65–75 with Rheumatoid Arthritis, moderate-to-high-intensity gym-based aerobic and resistance exercise improved aerobic capacity, strength, and functional endurance without exacerbating symptoms.

    Open the Strength Training page
  • YogapracticeSome evidence it helpsSize of effect: Small

    Some human studies found a benefit. More research could change this.

    All 5 studies with a clear result found a benefit.

    A pooled analysis whose study designs were not recorded reported small improvements in rheumatoid arthritis disease activity and function. The pooled pain result was not significant, and GRADE certainty ranged from moderate to very low.

    Open the Yoga page
  • Anusara YogapracticeNot enough evidence

    Too few or too small studies to know if it works.

    The one study found a benefit.

    Pooled randomized trials in people with rheumatoid arthritis reported improvements in DAS28, psychological outcomes, and IL-6.

    Open the Anusara Yoga page
  • Red Light Therapy (Photobiomodulation)practiceNot enough evidence

    Too few or too small studies to know if it works.

    1 of 2 studies found a benefit; 1 found none.

    A 2024 meta-analysis of randomized trials found improved grip strength and morning stiffness, but no significant pain relief. Findings disagree with a 2025 review, which found no significant difference between photobiomodulation and sham for pain, stiffness, grip strength, functional capacity, inflammation, or activity.

    Open the Red Light Therapy (Photobiomodulation) page
  • CalisthenicspracticeNot enough evidence

    Too few or too small studies to know if it works.

    The one study found a benefit.

    A 2024 single-arm trial in 42 female patients with rheumatoid arthritis found improvements in muscle strength, range of motion, and TUG time without worsening disease activity.

    Open the Calisthenics page
  • FastingpracticeNot enough evidence

    Too few or too small studies to know if it works.

    The one study found a benefit.

    Pooled analyses whose designs were not recorded reported reductions in DAS28 with intermittent fasting in randomized and observational studies, and reductions in VAS in observational studies. Inflammatory markers showed non-significant trends.

    Open the Fasting page
  • Finnish SaunapracticeNot enough evidence

    Too few or too small studies to know if it works.

    The one study found a benefit.

    A pilot study described decreases in pain and stiffness during sauna sessions in people with rheumatoid arthritis.

    Open the Finnish Sauna page

The expert view shows every study, dose protocol and source.

What may help

Interventions recorded as helping with this condition17 listed

Most likely to help, from the evidence we have

  1. PracticesHigh-Intensity Interval Training (HIIT)CertaintyMediumSourceRCT

    A review of randomized trials reported that HIIT improved cardiorespiratory fitness and health-related quality of life without exacerbating disease activity. In a trial of 89 people, both AHIIT and AMICT improved fatigue and overall health, but there were no between-group differences.

    Who was studied

    • People with a condition
    • Ankylosing Spondylitis
    • Psoriatic Arthritis
    • Rheumatoid Arthritis

    Study result

    Systematic review of 9 RCTs showing HIIT safe and beneficial for CRF and HRQoL without exacerbating disease activity.

    Open High-Intensity Interval Training (HIIT)
    →
  2. PracticesStrength TrainingCertaintyMediumSourceRCT

    In older adults with rheumatic diseases, 14 of 17 studies (2,631 participants) showed positive effects of resistance training on bone health or BMD. In adults aged 65–75 with Rheumatoid Arthritis, moderate-to-high-intensity gym-based aerobic and resistance exercise improved aerobic capacity, strength, and functional endurance without exacerbating symptoms.

    Who was studied

    • People with a condition

    Study result

    14 of 17 studies (2,631 participants) showed positive effects of RT on bone health/BMD; RT well tolerated in older adults with RDs

    Open Strength Training
    →
  3. PracticesYogaCertaintyMediumSourceRCTSmall effect

    A pooled analysis whose study designs were not recorded reported small improvements in rheumatoid arthritis disease activity (SMD −0.46; 95% CI −0.73 to −0.18) and function (SMD −0.42; 95% CI −0.78 to −0.07). The pooled pain result was not significant (SMD −1.06; 95% CI −2.62 to 0.50), and GRADE certainty ranged from moderate to very low.

    How big is the effect

    Small effectA small but noticeable difference on average.

    Who was studied

    • People with a condition
    • Allergic Rhinitis
    • Asthma
    • Cancer
    • Depression
    • Diabetes Type2
    • Heart Failure
    • +1 more

    Study result

    Four RCTs (Singh 2011, Gautam 2020, Ganesan 2020, Gautam 2019) showed significant reductions in IL-6, TNF-α, and CRP and improvements in disease markers (DAS28) with yoga.

    Open Yoga
    →
Low probability(13)
  1. PracticesAnusara YogaCertaintyLowSourceRCT

    Pooled randomized trials in people with rheumatoid arthritis reported improvements in DAS28, psychological outcomes, and IL-6.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Pooled RCTs of yoga in individuals with RA reported improvements in DAS28, psychological outcomes and IL-6.

    Open Anusara Yoga
    →
  2. PracticesRed Light Therapy (Photobiomodulation)CertaintyLowSourceRCT

    A 2024 meta-analysis of randomized trials found improved grip strength and morning stiffness, but no significant pain relief. Findings disagree with a 2025 review, which found no significant difference between photobiomodulation and sham for pain, stiffness, grip strength, functional capacity, inflammation, or activity.

    Who was studied

    • People with a condition
    • Alopecia Androgenetic
    • Carpal Tunnel
    • Fibromyalgia
    • Fracture
    • Mild Cognitive Impairment
    • Neck Pain
    • +6 more

    Study result

    Meta-analysis of RCTs showing significant improvement in grip strength and morning stiffness, but no significant pain relief.

    Open Red Light Therapy (Photobiomodulation)
    →
  3. PracticesCalisthenicsCertaintyLowSourceClinical

    A 2024 single-arm trial in 42 female patients with rheumatoid arthritis found improvements in muscle strength, range of motion, and TUG time without worsening disease activity.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Single-arm trial showing improvements in muscle strength, ROM, and TUG time in female RA patients without worsening disease activity.

    Open Calisthenics
    →
  4. PracticesFastingCertaintyLowSourceClinical

    Pooled analyses whose designs were not recorded reported reductions in DAS28 with intermittent fasting in randomized and observational studies, and reductions in VAS in observational studies. Inflammatory markers showed non-significant trends.

    Who was studied

    • People with a condition

    Study result

    Meta-analysis showing significant reductions in DAS28 (RCTs and observational studies) and VAS (observational studies) with intermittent fasting; inflammatory markers showed non-significant trends.

    Open Fasting
    →
  5. PracticesFinnish SaunaCertaintyLowSourceClinical

    A pilot study described decreases in pain and stiffness during sauna sessions in people with rheumatoid arthritis.

    Who was studied

    • Healthy people and patients

    Study result

    Oosterveld 2009 pilot: pain and stiffness decreased during sauna sessions.

    Open Finnish Sauna
    →
  6. PracticesHatha YogaCertaintyLowSourceClinical

    In a 2015 trial of 75 participants, 49% of whom had rheumatoid arthritis, the group receiving yoga improved on physical and psychological outcomes compared with a wait-list.

    Who was studied

    • People with a condition
    • Osteoarthritis
    • Rheumatoid Arthritis

    Study result

    Participants with RA (49% of sample) were enrolled and improved on physical and psychological outcomes versus waitlist.

    Open Hatha Yoga
    →
  7. PracticesHeating Pads / Warm CompressesCertaintyLowSourceClinical

    A review of 7 small, poor-quality trials suggested that superficial moist heat may provide palliative therapy for rheumatoid arthritis.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Systematic review of 7 small, poor-quality trials in RA; authors suggest superficial moist heat may serve as palliative therapy

    Open Heating Pads / Warm Compresses
    →
  8. PracticesHot BathCertaintyLowSourceClinical

    A randomized trial in 30 inpatients with rheumatoid arthritis measured pain threshold after warm-bath use; the reported finding does not establish whether the threshold improved.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Warm bath was applied to inpatients with rheumatoid arthritis, and pain threshold was measured in this population.

    Open Hot Bath
    →
  9. PracticesInfrared SaunaCertaintyLowSourceClinical

    A 2009 single-arm pilot study reported good tolerance and short-term improvements in pain and stiffness among 17 people with rheumatoid arthritis.

    Who was studied

    • People with a condition
    • Ankylosing Spondylitis
    • Rheumatoid Arthritis

    Study result

    Pilot single-arm study in 17 RA patients showing good tolerance and short-term pain and stiffness improvement

    Open Infrared Sauna
    →
  10. PracticesMassageCertaintyLowSourceClinical

    In a small, open-label pilot trial, grip strength, DHI, and PGA improved over two weeks among people selected for low disease activity or remission. The changes were reported within the intervention group.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Grip strength, DHI and PGA improved within the intervention group over two weeks in patients selected for low disease activity or remission; the single small open-label pilot trial gives limited support.

    Open Massage
    →
  11. PracticesSwedish (Classic) MassageCertaintyLowSourceClinical

    An RCT involving 60 people with rheumatoid arthritis and joint pain reported reduced pain with Swedish massage. The finding concerns pain in this group, rather than rheumatoid arthritis more broadly.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis

    Study result

    Trial population of RA patients with joint pain; Swedish massage reduced pain in this group.

    Open Swedish (Classic) Massage
    →
  12. PracticesSwimmingCertaintyLowSourceClinical

    In a 12-week aquatic exercise program, a quasi-experimental study in 43 women with Rheumatoid Arthritis found improvements in pain, depression, and some measures of physical fitness.

    Study result

    Significant improvements in pain, depression, and some physical fitness measures after 12-week aquatic exercise program in women with RA.

    Open Swimming
    →
  13. PracticesCupping TherapyCertaintyLowSourceReview

    A 2021 review described one study in which wet cupping reduced pain and laboratory markers of rheumatoid arthritis activity; combining it with conventional therapy decreased RF levels.

    Who was studied

    • People with a condition
    • Ankylosing Spondylitis
    • Gout
    • Osteoarthritis
    • Psoriasis
    • Rheumatoid Arthritis
    • Scleroderma
    • +1 more

    Study result

    Wet cupping reduced pain and laboratory markers of RA activity in one study; combination with conventional therapy decreased RF levels.

    Open Cupping Therapy
    →
Very low probability(1)
  1. PracticesTai ChiCertaintyVery lowSourceRCT

    The studies did not support improvement in physical function, pain, joint tenderness, swollen or tender joints, handgrip strength or HAQ scores. A pooled analysis whose designs were not recorded did report fewer withdrawals overall.

    Who was studied

    • People with a condition
    • Rheumatoid Arthritis
    Open Tai Chi
    →

What to avoid

Interventions recorded as making it worse

Nothing in this library is currently recorded as making Rheumatoid Arthritis worse. Coverage is partial, and absence here is not evidence of safety.

Browse the supplements that are written up

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

Rheumatoid Arthritis is a condition within musculoskeletal health. In practical terms, it can involve experiences such as pain and stiffness, which may change during activities or interventions studied for this condition. Research has examined options including Finnish Sauna, Swimming, Black Seed Oil, and Curcumin, but findings differ in strength and consistency. This page describes evidence related to rheumatoid arthritis and does not replace evaluation or care from a clinician.

Evidence-backed options

The clearest time-linked findings concern non-supplement options. In a pilot study involving people with rheumatoid arthritis, pain and stiffness decreased during Finnish Sauna sessions. A 12-week aquatic exercise program in women with rheumatoid arthritis was associated with improvements in pain, depression, and some physical fitness measures, so these findings describe changes observed during sessions or after a defined program rather than an immediate, universal effect.

The supplement evidence is less consistent and often does not establish how quickly symptoms may change. Ginger research described 750 mg of ginger powder twice daily, while a separate study of Vitamin K2 used 100 μg/d of MK-7 for 3 months and reported changes in disease activity and biomarkers. Quercetin was associated with changes in morning pain, after-activity pain, and early morning stiffness, but the available information does not specify a treatment duration or onset time. Black Seed Oil and Cod Liver Oil likewise lack enough detail here to determine a timeframe for symptom changes.

Curcumin and Curcuma longa extract have shown limited and inconsistent effects on inflammatory biomarkers in patients with rheumatoid arthritis and systemic lupus erythematosus. More broadly, several options are supported by reviews rather than detailed condition-specific trials, and some findings concern biomarkers or selected symptoms rather than overall disease control. The populations and study settings also differ, so results may not apply equally to every person with rheumatoid arthritis. A clinician can help interpret these options alongside established care.

Diatelos provides general wellness information based on published research. It is not medical advice. Talk to a clinician before starting any new supplement or practice, especially if you have a health condition, are pregnant, or take medication.