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Blood Oxygen Saturation Improvement

Blood Oxygen Saturation Improvement refers to an increase in the oxygen saturation level measured in blood. It describes a change in this specific health outcome, rather than a general improvement in health or wellbeing.

See a focused overview of what the term Blood Oxygen Saturation Improvement refers to.

These are research findings, not promises. Most options have little evidence, and results differ from person to person.

What may help

What studies found for each option, best evidence first.

12 options:1 some evidence9 not enough evidence2 no benefit found

  • Cupping TherapypracticeSome 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. Strongest study: a randomized controlled trial.

    Open the Cupping Therapy page
  • MassagepracticeNot enough evidence

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

    The one study found a benefit. Strongest study: a pooled analysis of several trials.

    Open the Massage page
  • Forest Bathing (Shinrin-yoku)practiceNot enough evidence

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

    2 of 4 studies found a benefit; 2 found none. Strongest study: a randomized controlled trial.

    Open the Forest Bathing (Shinrin-yoku) page
  • CardiopracticeNot enough evidence

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

    1 of 2 studies found a benefit; 1 found none. Strongest study: a pooled analysis of several trials.

    A pooled analysis of randomized trials reported a 1.56% increase in peripheral capillary oxygen saturation. A separate pooled analysis of randomized and non-randomized human studies found no significant difference versus placebo for aerobic exercise.

    Open the Cardio page
  • High-Intensity Interval Training (HIIT)practiceNot enough evidence

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

    1 of 2 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.

    In a 2024 trial of 38 people with conditions including diabetes type 2, obesity, or sleep apnea, SpO₂ improved in both the experimental and control groups after intervention.

    Open the High-Intensity Interval Training (HIIT) page
  • BreathworkpracticeNot enough evidence

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

    3 of 4 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.

    Open the Breathwork page
  • Ice Bath / Cold PlungepracticeNot enough evidence

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

    1 of 2 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.

    In a trial of 20 healthy participants, the proportion classified as desaturators in the cold-water immersion group fell from 30% to 0% between period1 and period2; in the no-immersion group, it changed from 50% to 90%.

    Open the Ice Bath / Cold Plunge page
  • Hatha YogapracticeNot enough evidence

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

    The one study found a benefit. Strongest study: a randomized controlled trial.

    In a randomized controlled trial involving 36 people with COPD, SpO2 increased within the Hatha Yoga group. The finding describes a change within that group, not a comparison with another group.

    Open the Hatha Yoga page

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

What may help

Linked to improving it12 listed

Start here

Most likely to help, from the evidence we have

  1. PracticesCupping TherapyCertaintyMediumSourceClinical2 other sources

    One randomized trial reported that SpO2 increased from 88.74±3.45 to 94.23±2.1 mmHg in the galbanum group. Another trial found higher SpO2 in the intervention group than in the control group at the first week (97.42% vs. 95.33%, p=0.023) and first month (98.0% vs. 95.33%, p=0.001).

    Who was studied

    • People with a condition
    • Asthma
    • Covid 19

    Study result

    SpO2 increased from 88.74±3.45 to 94.23±2.1 mmHg (<0.001) in galbanum group with a significant difference between the groups (p<0.001)

    Open Cupping Therapy
    →
Low probability(9)
  1. PracticesMassageCertaintyLowSourceRCTLarge effect1 other source

    A pooled analysis whose designs were not recorded found increased oxygen saturation (SMD = 2.00, 95% CI [1.17 to 2.83], P < 0.0001); 168 people were included in this outcome’s analysis.

    How big is the effect

    Large effectA big difference on average. Check how strong the evidence is.

    Who was studied

    • People with a condition

    Study result

    Massage therapy increased oxygen saturation (SMD = 2.00, 95% CI [1.17 to 2.83], P < 0.0001).

    Open Massage
    →
  2. PracticesCardioCertaintyLowSourceRCTconflicting findings2 other sources

    A pooled analysis of randomized trials reported a 1.56% increase in peripheral capillary oxygen saturation. A separate pooled analysis of randomized and non-randomized human studies found no significant difference versus placebo for aerobic exercise.

    Who was studied

    • People with a condition
    • Copd
    • Sleep Apnea

    Study result

    peripheral capillary oxygen saturation (WMD 1.56%)

    Open Cardio
    →
  3. PracticesForest Bathing (Shinrin-yoku)CertaintyLowSourceClinical4 other sources

    In a randomized trial involving 120 people, average oxygen saturation after walking was 97.45%, 1.45% higher than in the urban environment (96.11 ± 0.13%). A separate randomized trial involving 30 people also reported higher oxygen saturation after forest bathing than before it or after a city walk.

    Who was studied

    • Healthy people and patients
    • Copd
    • Hypertension

    Study result

    The average peripheral oxygen saturation was 97.45% after the walking activities, which was 1.45% higher than that in the urban (CS) environment (96.11 ± 0.13%; Figure 6d).

    Open Forest Bathing (Shinrin-yoku)
    →
  4. PracticesHigh-Intensity Interval Training (HIIT)CertaintyLowSourceClinical2 other sources

    In a 2024 trial of 38 people with conditions including diabetes type 2, obesity, or sleep apnea, SpO₂ improved in both the experimental and control groups after intervention.

    Who was studied

    • People with a condition
    • Diabetes Type2
    • Obesity
    • Sleep Apnea

    Study result

    significant improvements in ... SpO_2 (mean differences: 1.21% and 1.16%) ... were observed in both the experimental and control groups post-intervention (*p*<0.05).

    Open High-Intensity Interval Training (HIIT)
    →
  5. PracticesBreathworkCertaintyLowSourceClinicalconflicting findings4 other sources

    In a 2025 randomized trial of 32 people with coronary artery disease, blood oxygen saturation rose from 90.00±3.00 to 93.00±3.00 in the intervention group. Results differ across studies: a pooled analysis whose designs were not recorded found no between-group difference in oxygen saturation.

    Who was studied

    • People with a condition
    • Coronary Artery Disease

    Study result

    Arterial oxygen saturation was significantly higher in the ACBT group after all four sessions (p < 0.001). Group × time interaction significant for oxygen saturation (p < 0.001).

    Open Breathwork
    →
  6. PracticesIce Bath / Cold PlungeCertaintyLowSourceClinical2 other sources

    In a trial of 20 healthy participants, the proportion classified as desaturators in the cold-water immersion group fell from 30% to 0% between period1 and period2; in the no-immersion group, it changed from 50% to 90%.

    Who was studied

    • Healthy people

    Study result

    While in the CWI group, the percent of desaturators was decreased between «period1» and «period2» (30 vs. 0%), in the no-CWI group, percentages remained similar (50 vs. 90%).

    Open Ice Bath / Cold Plunge
    →
  7. PracticesHatha YogaCertaintyLowSourceClinical1 other source

    In a randomized controlled trial involving 36 people with COPD, SpO2 increased within the Hatha Yoga group. The finding describes a change within that group, not a comparison with another group.

    Who was studied

    • People with a condition
    • Copd

    Study result

    Within the HY group, f decreased and SpO2 increased.

    Open Hatha Yoga
    →
  8. PracticesGrounding / EarthingCertaintyLowSourceClinical1 other source

    A 2023 cohort report described oxygen levels reaching 95% with oxygen supply and 77% without oxygen supply on the second day, after two sessions of 3 h daily earthing.

    Who was studied

    • People with a condition
    • Covid 19

    Study result

    On the second day, after two sessions of 3 h daily earthing, his oxygen level raised to 95% with oxygen supply and 77% without oxygen supply.

    Open Grounding / Earthing
    →
  9. PracticesBrisk WalkingCertaintyLowSourceClinical1 other source

    A 2022 quasi-experimental study of 14 people with COPD found greater SpO2 in the intervention group (92 ± 6% versus 90 ± 7%; p = 0.002).

    Who was studied

    • People with a condition
    • Copd

    Study result

    greater SpO2 (92 ± 6% versus 90 ± 7%; p = 0.002)

    Open Brisk Walking
    →
Very low probability(2)
  1. PracticesHeating Pads / Warm CompressesCertaintyVery lowSourceClinical1 other source

    A 2024 trial found no significant differences among groups in SpO2 or pulse rates (n = 59; SpO2 F = 0.02, p = .981; pulse F = 0.78, p = .462); studies did not support an improvement.

    Who was studied

    • People with a condition
    Open Heating Pads / Warm Compresses
    →
  2. PracticesTabata TrainingCertaintyVery lowSourceClinical1 other source

    Studies did not support an improvement in resting oxygen saturation: a 2025 randomized trial of 15 participants found no statistically significant effect (P=.485).

    Who was studied

    • People with a condition
    Open Tabata Training
    →

Practices compared

Practices with at least one trial of their own for this goal. Ranked by how sure the evidence is, then effect size.
PracticeHow sureEffect sizeOwn trialsWhat worked in trials
Cupping TherapyCertaintyMediumSourceClinical2 trials or pooled analyses
MassageCertaintyLowSourceRCTLarge effect1 trial or pooled analysis
BreathworkCertaintyLowSourceClinical3 trials or pooled analyses10–15 min · 5–14×/week · 0.3–0.7 weeks
Forest Bathing (Shinrin-yoku)CertaintyLowSourceClinical2 trials or pooled analyses30–60 min · 0.3–0.4 weeks
Brisk WalkingCertaintyLowSourceClinical1 trial or pooled analysis
CardioCertaintyLowSourceRCT1 trial or pooled analysis
Hatha YogaCertaintyLowSourceClinical1 trial or pooled analysis
High-Intensity Interval Training (HIIT)CertaintyLowSourceClinical1 trial or pooled analysis
Ice Bath / Cold PlungeCertaintyLowSourceClinical1 trial or pooled analysis

What worked in trials: From the smallest to the typical amount in the trials that found this benefit. Not the most anyone did, not a target and not a limit.

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

Blood Oxygen Saturation Improvement refers to an increase in the oxygen saturation level measured in blood. It describes a change in this specific health outcome, rather than a general improvement in health or wellbeing. The outcome is distinct from claims about how a person feels, since a change in blood oxygen saturation and a noticeable symptom change are not necessarily the same thing.

How interventions help

Interventions studied for this outcome differ in both setting and timing. Some were examined as additions to standard treatment, while others were assessed during an acute emergency treatment or around anesthesia. The outcome was also measured in different ways: some studies reported oxygen saturation, whereas another reported the ΔPaO2/FiO2 ratio. These measures should not be treated as directly interchangeable.

Treatment periods ranged from an acute single emergency treatment to 8 weeks. Examples included Vitamin C at 50 mg/kg for 48 hours, L-Carnitine at 3000 mg/day for 5 days, and Glycine at 5 for 8 weeks. Other interventions were assessed after several days or about 2 weeks, while Lavender Extract was used for 5 min pre + during anesthesia. Where onset was specified, it was in days. Persistence after stopping has not been reported.

The findings therefore describe short-term changes under particular study conditions rather than a single consistent approach. Some comparisons reported higher oxygen-related measures with the intervention, while others found no meaningful difference between groups or reported improvement in both groups over time. The results are not broadly transferable: health status was usually not specified, Magnesium was studied in Asthma, and several entries are not marked as human evidence. These differences matter when interpreting whether an intervention is relevant to a particular person or clinical situation.

Choosing guidance

The options were studied over very different time frames, so they are not directly interchangeable. Some were examined in acute or short-use settings, while others involved several days, two weeks, or longer. Glycine was evaluated over the longest stated period, making it less relevant to questions about rapid change. Magnesium was studied as a single emergency treatment in Asthma, whereas Lavender Extract was assessed only around a procedure. These differences matter when considering whether an option is intended to be evaluated quickly or only after continued use.

Human evidence is identified for Vitamin C, Rhodiola Rosea, Glycine, and L-Carnitine. Human evidence was not identified for the other listed options, so findings for Astragalus, Spirulina, Curcumin, Magnesium, Melatonin, Echinacea, Ginger, and Lavender Extract require more caution when applying them to people. Magnesium is also specific to Asthma in the listed research and should not automatically be generalized to other situations.

The studied amounts vary substantially between options, from relatively small quantities to high daily amounts or study-specific protocols. This makes comparisons based only on the named ingredient unreliable. Vitamin C, Glycine, and Curcumin have effects categorized as appearing over days, while some other options were assessed in acute settings or without a stated onset category. No listed option has conflicting evidence in the available summaries, but several rely on limited types of evidence or do not include identified human evidence. The most relevant choice therefore depends on whether the reader values human research, a short evaluation period, or evidence from a particular clinical context.

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.