health
Kidney Health Support
Kidney Health Support is a broad wellness topic rather than a single symptom, diagnosis, or laboratory result. It can include different kinds of kidney-related outcomes, such as changes in stone recurrence or measured health markers, which are distinct and should not be treated as interchangeable.
Explore Kidney Health Support as a focused health topic, with straightforward context for wellness readers.
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.
7 options:1 some evidence3 not enough evidence1 not tested in people2 no benefit found
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. Strongest study: a systematic review of studies.
A review reported that aerobic, resistance and combined exercise improved dialysis adequacy and blood pressure control in people receiving maintenance haemodialysis. In a separate quasi-experimental study of 45 people, systolic blood pressure and creatinine levels decreased after resistance exercise.
Open the Strength Training pageBrisk WalkingpracticeNot 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.
A 2020 trial of 40 people with Diabetes Type 2 found a statistically significant decrease in albuminuria.
Open the Brisk Walking pageExpressive WritingpracticeNot 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.
A 2022 trial involving 26 people with kidney disease reported that the CDK-EPI level at discharge was higher in the expressive-writing group than in the control group.
Open the Expressive Writing pageCupping TherapypracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a non-randomized trial.
Open the Cupping Therapy pageChagasupplementNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
4 of 5 studies found a benefit; 1 found none. Strongest study: an animal study. Studied for 12 weeks.
At 17 weeks in an animal model of diabetic kidney disease, both doses significantly reduced SCr versus the DKD model; Chaga100 returned SCr to levels not different from the normal control. Kidney-related measures also significantly improved with IO_L and IO_H versus ORG and were not different from CON.
Open the Chaga pageYogapracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a systematic review of studies.
A review found no significant effects on kidney function measured acutely or over a 12 month period in hot yoga
Open the Yoga pageInfrared SaunapracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a randomized controlled trial.
The studies did not support improved kidney health. A randomized trial of 10 people with Chronic Kidney Disease found no effect on kidney function or markers of kidney injury.
Open the Infrared Sauna page
The expert view shows every study, dose protocol and source.
What may help
Linked to improving it7 listedStart here
Most likely to help, from the evidence we have
- →PracticesStrength TrainingCertaintyMediumSourceRCT2 other sources
A review reported that aerobic, resistance and combined exercise improved dialysis adequacy and blood pressure control in people receiving maintenance haemodialysis. In a separate quasi-experimental study of 45 people, systolic blood pressure and creatinine levels decreased after resistance exercise.
Who was studied
- People with a condition
Open Strength TrainingStudy result
Aerobic, resistance and combined exercise training improves dialysis adequacy and blood pressure control in maintenance haemodialysis patients (Evidence 22, Grade B)
Low probability(4)(1)(3)
- →PracticesBrisk WalkingCertaintyLowSourceClinical1 other source
A 2020 trial of 40 people with Diabetes Type 2 found a statistically significant decrease in albuminuria (p = .002).
Who was studied
- People with a condition
- Diabetes Type2
Open Brisk WalkingStudy result
statistically significant decrease in albuminuria (p = .002)
- →PracticesExpressive WritingCertaintyLowSourceClinical1 other source
A 2022 trial involving 26 people with kidney disease reported that the CDK-EPI level at discharge was higher in the expressive-writing group than in the control group.
Who was studied
- People with a condition
- Kidney Disease
Open Expressive WritingStudy result
the CDK-EPI level on the discharge day (T1) in the expressive writing group was significantly higher compared to the control group
- →PracticesCupping TherapyCertaintyLowSourceClinical1 other source
In a study of 31 people, serum urea was lower than baseline at one, three, and four months (MD -0.5 mmol/L [-0.94, -0.1]). This measured a blood marker, not kidney health outcomes broadly.
Who was studied
- Healthy people
Open Cupping TherapyStudy result
There was also a significant reduction of serum urea at one month (3.8±0.8), three months (3.8±0.6), and four months (3.6±0.6) compared to baseline (4.2±0.7).
- →SupplementsChagaCertaintyLowSourceAnimal researchanimal / in-vitro only5 other sources
At 17 weeks in an animal model of diabetic kidney disease, both doses significantly reduced SCr versus the DKD model (p<0.001); Chaga100 returned SCr to levels not different from the normal control. Kidney-related measures also significantly improved with IO_L and IO_H versus ORG (p<0.001) and were not different from CON.
Who was studied
- People with a condition
- Chronic Kidney Disease
- Diabetes Type2
- Kidney Disease
Dose & course
12 weeks
Who it applies to
- Animal
Open ChagaStudy result
24-h urinary protein significantly reduced in IO_H vs ORG at four time points from week 10 to week 20 (p<0.05)
Very low probability(2)(0)(2)
- →PracticesInfrared SaunaCertaintyVery lowSourceClinical1 other source
The studies did not support improved kidney health. A randomized trial of 10 people with Chronic Kidney Disease found no effect on kidney function or markers of kidney injury.
Open Infrared SaunaWho was studied
- People with a condition
- Chronic Kidney Disease
Practices compared
Practices with at least one trial of their own for this goal. Ranked by how sure the evidence is, then effect size.| Practice | How sure | Effect size | Own trials |
|---|---|---|---|
| Strength Training | CertaintyMediumSourceRCT | 2 trials or pooled analyses | |
| Brisk Walking | CertaintyLowSourceClinical | 1 trial or pooled analysis | |
| Cupping Therapy | CertaintyLowSourceClinical | 1 trial or pooled analysis | |
| Expressive Writing | CertaintyLowSourceClinical | 1 trial or pooled analysis |
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
Kidney Health Support is a broad wellness topic rather than a single symptom, diagnosis, or laboratory result. It can include different kinds of kidney-related outcomes, such as changes in stone recurrence or measured health markers, which are distinct and should not be treated as interchangeable. The topic brings together several approaches studied in relation to kidney health, without implying that they have the same purpose or effect.
How interventions help
Interventions associated with kidney health support do not all address the same outcome. Drink Enough Water was studied in relation to stone recurrence, with fewer recurrence episodes in the intervention group over 5 years. Other approaches were assessed using markers such as creatinine, GFR, uACR, or urea, so a change in one measure should not be treated as equivalent to preventing stones or improving every aspect of kidney health.
The time needed to observe a change varied substantially. Vitamin E was studied over 48 hours to at least 7 days, while Lycopene was assessed with an immediate onset category. L-Carnitine was studied for 7 days at 3 g/day, Dietary Fiber (Prebiotics) for 4-8 weeks, and Milk Thistle (Silymarin) and Cordyceps for 3 months. Longer studies included L-Leucine with 6.2 g leucine/day with 21.2 g protein/day for 24 weeks and Ginkgo Biloba for 36 months. These timelines describe the study periods rather than a universal time to benefit.
Some findings involved changes after an intervention period, while Sodium Bicarbonate was associated with persistence after stopping for weeks. The interventions also differed in the size and direction of the reported changes: examples include lower creatinine with L-Carnitine, a higher eGFR with L-Leucine, and a lower uACR after 60 days with Lavender Extract. Since the health status of participants was not specified, the findings may not apply equally to every person or kidney condition.
Choosing guidance
Choosing among these options depends first on the type of evidence you are willing to consider. Drink Enough Water is distinct from the supplement options because its research addresses kidney-stone recurrence directly. Several other options, including Vitamin E, Milk Thistle (Silymarin), L-Carnitine, Sodium Bicarbonate, Selenium, Cordyceps, Ginkgo Biloba, Whey Protein, Dietary Fiber (Prebiotics), Vitamin B1 (Thiamine), and Lavender Extract, have been studied in people, although the study designs and outcomes differ. Most options were studied in people whose health status was not specified, while Omega-3 includes evidence involving mixed populations and Chronic Kidney Disease.
Time frames vary substantially. Some studies assessed changes after only days, whereas others continued for weeks, months, or years. This means an option studied over a short period cannot be directly compared with one evaluated for longer-term outcomes, and a reported early change does not establish lasting benefit. Some options also have no consistently reported dose, making direct comparisons based on amount difficult.
The remaining choices rely mainly on reviews, animal studies, pharmacology references, or community reports rather than direct human research. They may be of interest to readers exploring preliminary possibilities, but they are less suitable for decisions that require evidence applicable to people. Sodium Bicarbonate is also unusual because studies did not agree, so its findings should be interpreted with more caution than options without reported disagreement. Overall, match the choice to the goal being studied, the population represented, the duration you are prepared to consider, and whether human evidence is important to you.