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Dr. Grey AI

Condition

Chronic Kidney Disease (CKD)

Chronic kidney disease means the kidneys slowly lose their ability to filter waste and extra fluid from the blood, which raises heart risk. Coenzyme Q10 and black seed have moderate evidence, and small trials found blood glucose improved with the first and the inflammation marker CRP went down with the second. Those trials measured blood markers rather than kidney function itself, so the picture is still early.

Sources: PMID 35958521; PMID 37036558

Supplements studied
21
Graded outcomes
18
Trials
15
People studied
13,448

Evidence by supplement

  • Strong
  • Moderate
  • Limited
  • Very limited

21 supplements

Resveratrol: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Blood glucose

Small Improvement

Improves (the measure goes down)Small effect7 studies216 people
C-Reactive Protein (CRP)Improves (the measure goes down)3 studies70 people
Kidney FunctionImproves (the measure goes up)2 studies135 people
Liver EnzymesChanges; see studies2 studies216 people
Total cholesterolImproves (the measure goes down)2 studies190 people
Blood PressureImproves (the measure goes down)1 study156 people
TriglyceridesImproves (the measure goes down)1 study216 people
Blood Urea NitrogenImproves (the measure goes up)1,311 people
Blood Urea Nitrogen (BUN)Improves (the measure goes up)894 people
Body Mass Index (BMI)Improves (the measure goes down)266 people
CreatinineImproves (the measure goes up)1,617 people
Insulin ResistanceImproves (the measure goes down)156 people
Serum AlbuminImproves (the measure goes up)516 people
TNF-AlphaImproves (the measure goes down)156 people
Uric AcidImproves (the measure goes down)353 people

Coenzyme Q10: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Blood glucose

Small Improvement

Improves (the measure goes down)Small effect3 studies86 people
Oxidative Stress BiomarkersImproves (the measure goes down)9 studies384 people
Low-density lipoprotein (LDL)Improves (the measure goes down)4 studies112 people
C-Reactive Protein (CRP)Improves (the measure goes down)2 studies384 people
Total cholesterolImproves (the measure goes down)2 studies284 people
High-density lipoprotein (HDL)Improves (the measure goes up)1 study284 people
InsulinChanges; see studies384 people
Insulin ResistanceImproves (the measure goes down)384 people
Kidney FunctionImproves (the measure goes up)324 people
TriglyceridesImproves (the measure goes down)284 people

Black seed

  • C-Reactive Protein (CRP): improves
  • Interleukin 6: changes; see studies
  • Oxidative Stress Biomarkers: changes; see studies
Black seed: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
C-Reactive Protein (CRP)

Small Decrease

Improves (the measure goes down)Small effect1 study727 people
Interleukin 6Changes; see studies156 people
Oxidative Stress BiomarkersChanges; see studies591 people
Superoxide Dismutase ActivityImproves (the measure goes up)364 people
TNF-AlphaChanges; see studies307 people
Total Antioxidant Capacity (TAC)Improves (the measure goes up)480 people

Fish Oil

  • Inflammation: improves
  • Weight: improves
Fish Oil: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Inflammation

Small Decrease

Improves (the measure goes down)Small effect4 studies31 people
WeightImproves (the measure goes down)7 studies31 people

Charcoal

  • Uremic Toxins: changes; see studies
Charcoal: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Uremic Toxins

Small studies suggest activated charcoal (AST-120/Kremezin) may reduce uremic toxins like indoxyl sulfate in CKD. Mixed results on clinical outcomes.

Changes; see studiesSmall effect200 people

Creatine

  • Kidney Function
  • Muscle Creatine Content: improves
Creatine: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Kidney Function

No effect

NoneNo effect5 studies20 people
Muscle Creatine ContentImproves (the measure goes up)11 studies20 people

L-Carnitine

  • Aerobic Exercise Metrics
  • High-density lipoprotein (HDL): improves
  • Total cholesterol: improves
L-Carnitine: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Aerobic Exercise Metrics

No effect

NoneNo effect4 studies12 people
High-density lipoprotein (HDL)Improves (the measure goes up)12 studies229 people
Total cholesterolImproves (the measure goes down)6 studies229 people
Blood glucoseImproves (the measure goes down)5 studies229 people
TriglyceridesImproves (the measure goes down)4 studies229 people
InsulinChanges; see studies3 studies229 people
Exercise-Induced OxidationChanges; see studies2 studies12 people
Blood PressureImproves (the measure goes down)1 study229 people
HbA1cImproves (the measure goes down)1 study229 people
WeightImproves (the measure goes down)1 study229 people
Anti-Oxidant Enzyme ProfileImproves (the measure goes up)12 people
Glycemic ControlImproves (the measure goes up)229 people
Kidney FunctionImproves (the measure goes up)229 people
Lipoprotein(a)Improves (the measure goes up)229 people
Low-density lipoprotein (LDL)Improves (the measure goes down)229 people

Vitamin E

  • Free Testosterone
  • Luteinizing Hormone: improves
  • Prolactin: improves
Vitamin E: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Free Testosterone

No effect

NoneNo effect1 study36 people

Studies that measured free testosterone

Luteinizing HormoneImproves (the measure goes up)36 people
ProlactinImproves (the measure goes up)36 people

Yarrow

  • Plasma Nitrate
Yarrow: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Plasma Nitrate

No effect

NoneNo effect1 study31 people

Vitamin C

  • High-density lipoprotein (HDL)
  • Triglycerides: improves
  • Inflammation: improves
Vitamin C: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
High-density lipoprotein (HDL)

No effect

NoneNo effect112 people
TriglyceridesImproves (the measure goes down)5 studies112 people
InflammationImproves (the measure goes down)2 studies941 people

Studies that measured inflammation

Total cholesterolImproves (the measure goes down)2 studies112 people
Low-density lipoprotein (LDL)Improves (the measure goes down)112 people

Selenium

  • Body Mass Index (BMI)
  • Triglycerides: improves
  • C-Reactive Protein (CRP): improves
Selenium: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Body Mass Index (BMI)

No effect

NoneNo effect2,080 people
TriglyceridesImproves (the measure goes down)1 study2,080 people

Studies that measured triglycerides

C-Reactive Protein (CRP)Improves (the measure goes down)2,080 people
FerritinImproves (the measure goes up)2,080 people
HemoglobinImproves (the measure goes up)2,080 people
High-density lipoprotein (HDL)Improves (the measure goes up)2,080 people
Low-density lipoprotein (LDL)Improves (the measure goes down)2,080 people
Total cholesterolImproves (the measure goes down)2,080 people

Fiber

  • C-Reactive Protein (CRP)
  • Blood Urea Nitrogen
  • Interleukin 6: improves
Fiber: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
C-Reactive Protein (CRP)

No effect

NoneNo effect157 people
Blood Urea NitrogenSmall effect1 study498 people
Interleukin 6Improves (the measure goes down)265 people
p-cresyl sulfate (PCS)Improves (the measure goes up)398 people
Serum Indoxyl Sulfate (IS)Improves (the measure goes up)398 people
TMAOImproves (the measure goes up)135 people
TNF-AlphaImproves (the measure goes down)157 people
Uric AcidImproves (the measure goes down)118 people

Vitamin K

  • Calcium Score
  • Osteocalcin: improves
  • Pulse Wave Velocity: improves
Vitamin K: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Calcium Score

No effect

NoneNo effect733 people
OsteocalcinImproves (the measure goes up)1 study733 people
Pulse Wave VelocityImproves (the measure goes down)733 people

Soy Protein

  • Blood Urea Nitrogen
  • Serum Albumin: improves
  • C-Reactive Protein (CRP): improves
Soy Protein: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Blood Urea Nitrogen

No effect

NoneNo effect522 people
Serum AlbuminImproves (the measure goes up)1 study522 people
C-Reactive Protein (CRP)Improves (the measure goes down)522 people
High-density lipoprotein (HDL)Improves (the measure goes up)522 people
Low-density lipoprotein (LDL)Improves (the measure goes down)522 people
ProteinuriaImproves (the measure goes up)522 people
Serum CalciumImproves (the measure goes up)522 people
Serum PhosphorusChanges; see studies522 people
Total cholesterolImproves (the measure goes down)522 people
TriglyceridesImproves (the measure goes down)522 people

Sodium Bicarbonate

  • Blood Pressure
  • Serum Bicarbonate: improves
  • Kidney Function: improves
Sodium Bicarbonate: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Blood Pressure

No effect

NoneNo effect1,380 people
Serum BicarbonateImproves (the measure goes up)26 studies1,380 people
Kidney FunctionImproves (the measure goes up)1 study1,380 people
Net Acid ExcretionImproves (the measure goes up)1 study108 people
Heart Failure RiskChanges; see studies1,380 people
Leg EdemaChanges; see studies1,380 people
Plasma Total Carbon DioxideImproves (the measure goes up)108 people

Resistant Starch

  • Blood Urea Nitrogen (BUN)
  • C-Reactive Protein (CRP)
  • Serum Phosphorus: changes; see studies
Resistant Starch: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Blood Urea Nitrogen (BUN)

No effect

NoneNo effect203 people
C-Reactive Protein (CRP)

No effect

NoneNo effect167 people
Serum PhosphorusChanges; see studies2 studies205 people
TNF-AlphaImproves (the measure goes down)1 study116 people
High-density lipoprotein (HDL)Improves (the measure goes up)158 people
Interleukin 6Improves (the measure goes down)213 people
Kidney FunctionImproves (the measure goes up)197 people
Serum AlbuminImproves (the measure goes up)284 people
Total cholesterolImproves (the measure goes down)158 people
TriglyceridesImproves (the measure goes down)158 people
Uric AcidImproves (the measure goes down)168 people

Nicotinamide

  • Serum Calcium
  • Serum Phosphorus: changes; see studies
Nicotinamide: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Serum Calcium

No effect

NoneNo effect219 people
Serum PhosphorusChanges; see studies1 study98 people

Chia seeds

  • Itching: improves
Chia seeds: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
ItchingImproves (the measure goes up)1 study5 people

Melatonin

  • Cerebral Blood Flow: improves
Melatonin: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Cerebral Blood FlowImproves (the measure goes up)1 study10 people

Curcumin

  • Vascular Function: improves
Curcumin: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Vascular FunctionImproves (the measure goes up)1 study88 people

Cocoa Extract

  • Kidney Oxygenation: improves
Cocoa Extract: outcomes studied for Chronic Kidney Disease (CKD)
GradeOutcomeEffectSizeStudiesPeopleStudies list
Kidney OxygenationImproves (the measure goes up)1 study10 people

Key findings

  • Blood glucoseResveratrolImproves (the measure goes down)
  • C-Reactive Protein (CRP)Black seedImproves (the measure goes down)
  • InflammationFish OilImproves (the measure goes down)

The Chronic Kidney Disease (CKD) Supportive Care protocol

2 primary supplements · 2 supporting supplements

See the full protocol

Shop the evidence-backed picks

Support alongside medical care. These supplements are not a treatment for Chronic Kidney Disease (CKD). If you are being treated for it, talk to your clinician before adding one: supplements can interact with medicines.

The supplements graded A or B for Chronic Kidney Disease (CKD). Each opens third-party tested products for that supplement.

  • Grade B
  • Grade B
  • Grade B

Links to Fullscript, iHerb or Thorne carry our referral, so we may earn a commission at no extra cost to you. Grades come from the research and never change based on what we earn. Fullscript asks for a free account before it shows its catalog and prices. Full disclosure

Studies cited

4 studies from PubMed

  1. Mediterranean diet improves dyslipidemia and biomarkers in chronic renal failure patientsFood Funct · PMID 21776461
  2. Safety and impact of the Mediterranean diet in patients with chronic kidney disease: a pilot randomized crossover trial.Front Nutr · PMID 39296514
  3. Efficacy and safety of ketoanalogue supplementation combined with protein-restricted diets in advanced chronic kidney disease: a systematic review and meta-analysis.J Nephrol · PMID 39340710
  4. Concentrated red grape juice exerts antioxidant, hypolipidemic, and antiinflammatory effects in both hemodialysis patients and healthy subjectsAm J Clin Nutr · PMID 16825703