Cramp Bark Extra

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

This product looks safe

  • Vitamin B3: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • 64% of ingredients have research evidence
C Label Compliance Grade

Product Label

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

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Safety Alerts

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

Label Data

1 Capsule(s) Serving Size
Other Combinations Product Type
64% Evidence Coverage

Supplement Facts — Evidence Check

750 mg (1250% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 750mg
75 IU (250% DV)
📊 3.4× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 50.25mg UL 1000mg
40 mg (2000% DV)
📊 30.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 40mg UL 100mg
150 mg (750% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 4.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 150mg UL 35mg
Calcium
60 mg (6% DV)
60 mg (15% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 60mg
300 mg
📊 Market median: 500.0mg (19 products)
This product: 300mg
Cramp bark
300 mg
150 mg
📊 Market median: 300.0mg (214 products) 📚 23 studies (Tier A: 0, B: 6)
This product: 150mg
150 mg
📊 Market median: 80.0mg (136 products)
Median 80.0mg This product: 150mg
150 mg
📊 Market median: 250.0mg (337 products) 📚 125 studies (Tier A: 1, B: 41)
This product: 150mg

Other Ingredients

vegetarian capsule L-Leucine

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegetarian Women (not pregnant or lactating) Adult Female (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: 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.

Vitamin E from soy.

🧪 Formulation Notes

Cramp Bark Extra(TM) combines science based and traditional herbs along with nutrients to support smooth muscle tissues during menses.

This product contains no: preservatives, binders, artificial colorings or flavorings, sugars, starch, lactose, salt, corn, wheat, gluten or milk derivatives.

MENSTRUAL SUPPORT*

Vitamin E from soy.

Cramp Bark Extra(TM) is suitable for vegetarians.

Additional Information

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

Product Details

UPC / SKU 7 08118 01026 2
DSLD Entry Date 2014-06-25
Product Type Other Combinations
Form Capsule
Brand Vitanica
DSLD ID 33892
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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 Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
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 Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
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

Vitamin C Ester Ascorbyl Palmitate
Vitamin C Ester Ascorbyl Palmitate OL Olympian Labs 100
Vitamin C 1000 mg
Vitamin C 1000 mg PurHEALTH 100
Ultra C Buffered New Sun 100
Black Elderbarry with Liposomal Vitamin C & Zinc
Black Elderbarry with Liposomal Vitamin C & Zinc SunVita Health 100
Natural Vitamin C Herbadiet 100
View all Vitamin C products →
Vitamin C research & evidence Best Vitamin C rankings All Vitamin C products More from Vitanica View on NIH DSLD →