Clinical Cognition

product on market Capsule Natural Clinician 🟢 Safety: 100/100
Brand: Natural Clinician
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 69% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
69% Evidence Coverage

Supplement Facts — Evidence Check

200 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 200mg
Lecithin
100 mg
Alpha GPC
50 mg
50 mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 50mg
50 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 50mg
50 mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 50mg
Phosphatidyl Serine
30 mg
30 mg (400% DV)
📊 Market median: 750.0mg (447 products) 📚 388 studies (Tier A: 18, B: 204)
This product: 30mg UL 3000mg
Vinpocetine
10 mg
2 mg E (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
1.5 mg (100% DV)
✅ 1.2× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 1.5mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
6 mcg (100% DV)
✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.006mg

Other Ingredients

All Natural Vegetable Source of

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (88% of products) Nutrient (18% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take one capsule, twice daily with 4 oz. of pure water.

Additional Information

PATENT PENDING CLINICAL GRADE FORMULATION

Product Details

UPC / SKU 0 36733 00784 9
DSLD Entry Date 2013-02-25
Product Type Other Combinations
Form Capsule
Brand Natural Clinician
DSLD ID 18615
Data Updated 2026-04-11

Research Evidence

80 Research Sources
49 Avg Quality Score
43 Rct
14 Clinical Trial
11 Systematic Review
9 Meta Analysis
2 Regulatory Source
A Propionyl-L-carnitine for intermittent claudication
Meta Analysis The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022
PubMed DOI Cochrane
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012
PubMed DOI Cochrane
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
B Systematic Review and Meta-analysis on Effect of Carnitine, Coenzyme Q10 and Selenium on Pregnancy and Semen Parameters in Couples With Idiopathic Male Infertility
Meta Analysis Urology 2022
PubMed DOI
B Effects of Carnitine and Coenzyme Q10 on Sperm Quality and Pregnancy Rates in Men with Unexplained Infertility: A Systematic Review and Network Meta-Analysis
Systematic Review Reproductive sciences (Thousand Oaks, Calif.) 2025
PubMed DOI
B Efficacy and Effectiveness of Carnitine Supplementation for Cancer-Related Fatigue: A Systematic Literature Review and Meta-Analysis
Meta Analysis Nutrients 2017
PubMed DOI
View all evidence for Carnitine →

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