Home/ Supplements/ Vitamin C/ Mental Edge

Mental Edge

product on market Tablet or Pill Source Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 42% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains Vitamin C and Thiamine, which are essential nutrients that support cognitive function and energy metabolism. Research provides strong evidence for their roles in neurological health and cellular energy production. The overall evidence coverage for this specific ingredient profile is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Mental Edge
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
42%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Total Fat
1 Gram(s) (2% DV)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
150 mg (250% DV)
50 mg (3333% DV)
41.7× RDA — above typical dose 76 studies (A:0, B:33)
20 mg (1177% DV)
15.4× RDA — above typical dose 13 studies (A:0, B:1)
Blend
120 mg (600% DV)
25 mg (1250% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
50 mcg (833% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
50 mcg (17% DV)
1.7× RDA — within safe limits 27 studies (A:0, B:11)
120 mg (1200% DV)
24.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
60 mg (6% DV)
120 mg (30% DV)
Within RDA (0.3× RDA) 316 studies (A:8, B:159)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
5 mg (250% DV)
2.2× RDA — within safe limits 9 studies — no high-quality reviews
Sodium
15 mg (1% DV)
Potassium
99 mg (3% DV)
Lecithin
1.2 Gram(s)
500 mg
Market median: 420.0mg (227 products)
L-Pyroglutamic Acid
500 mg
275 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Eleuthero
225 mg
DMAE
160 mg
Gotu Kola Aerial Parts Extract
150 mg
L-Phenylalanine
125 mg
100 mg
Within RDA (0.2× RDA) 38 studies (A:1, B:7)
100 mg
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
80 mg
Market median: 250.0mg (337 products) 127 studies (A:1, B:41)
80 mg
Market median: 650.0mg (87 products) 1 studies — no high-quality reviews
Cayenne
60 mg
30 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)

Other Ingredients

modified Cellulose Gum Silica Magnesium Stearate Acacia Stearic Acid
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Use: 4 tablets daily between meals. If digestive irritation occurs, take with a meal.

Warnings & Precautions

Contains soy.

Warning: Contains phenylalanine and tyrosine.

Not to be used by phenylketonurics, if you are pregnant, may become pregnant, or breastfeeding, or with antidepressant drugs containing MAOs or SSRs inhibitors.

If you have chronic high blood pressure or epilepsy, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

Contains soy.

Warning: Contains phenylalanine and tyrosine.

Additional Information

SN0013 REV G172-D (49)

Metadata

Product Details

UPC / SKU0 21078 00013 6
DSLD Entry Date2017-11-20
Product TypeOther Combinations
FormTablet or Pill
BrandSource Naturals
DSLD ID80973
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
Compare

Similar Products

OB Complete Chewable
Vertical Pharmaceuticals · Tablet or Pill
100
RenaPlex-D
Nephro-Tech · Tablet or Pill
100
800/Ultra D
Dialyvite · Tablet or Pill
100
B-Vital
Higher Nature · Tablet or Pill
100
Energise
Higher Nature · Tablet or Pill
100
View all Vitamin C products →
Vitamin C research Best Vitamin C All Vitamin C products More from Source Naturals View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.