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Cramp Bark Extra

product on market Capsule Vitanica Safety: 97/100
97/100

This product looks safe

  • Vitamin B3: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • 55% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

The profile includes vitamins C, E, B3, and B6, along with calcium, which support various metabolic and cellular functions. Research provides strong evidence for the roles of these nutrients in general health and physiological maintenance. The formulation maintains a high safety score, indicating a low risk of adverse effects.

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

Alerts

Safety Alerts

Vitamin B3: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Cramp Bark Extra
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
20
Servings
Other Combinations
Product Type
55%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
750 mg (1250% DV)
75 IU (250% DV)
3.4× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
150 mg (750% DV)
Exceeds UL by 4.3× (UL: 35 mg) 196 studies (A:5, B:63)
40 mg (2000% DV)
30.8× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
Calcium
160 mg (16% DV)
60 mg (15% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
300 mg
Market median: 500.0mg (19 products)
Cramp Bark
300 mg
150 mg
Market median: 300.0mg (214 products) 25 studies (A:0, B:6)
150 mg
Market median: 80.0mg (136 products)
150 mg
Market median: 250.0mg (337 products) 127 studies (A:1, B:41)

Other Ingredients

Cellulose Water L-Leucine
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take one (1) to three (3) capsules every three hours up to four times daily during menstruation.

Warnings & Precautions

Avoid use of this product during pregnancy and lactation.

Tamper resistant: Please do not use if safety seal is broken or missing.

Keep in a cool, dry place out of reach of children.

Formulation Notes

Cramp Bark Extra combines science based and traditional herbs along with nutrients to support healthy uterine tissues during menses.

This product contains no: Preservatives, binders, artificial colorings or flavorings, sugars, lactose, salt, wheat, gluten, soybeans, milk derivatives, eggs, peanuts, tree nuts, fish or shellfish.

Menstrual support

Cramp Bark Extra is suitable for vegetarians and vegans.

Additional Information

Formulated by Dr. Tori Hudson, a Naturopathic Physician specializing in women's natural health.

Keep in a cool, dry place out of reach of children.

Metadata

Product Details

UPC / SKU7 08118 02025 4
DSLD Entry Date2024-02-22
Product TypeOther Combinations
FormCapsule
DSLD ID302786
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.