MERK Brutal Blue Razz
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 25% of ingredients have research evidence
B
Label Compliance Grade
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyVitamin B12 and choline support cognitive function and energy metabolism, while AstraGin is used to enhance nutrient absorption. Evidence for these individual ingredients is generally strong, though the specific MERK Complex lacks extensive independent research. The formulation maintains a high safety profile.
AI-generated summary based on research evidence. Not medical advice.
Label
Product Label
Details
Label Data
13.4 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Ingredients
Supplement Facts — Evidence Check
200 mcg
(8330% DV)
83.3× RDA — above typical dose
139 studies (A:1, B:44)
300 mg
(55% DV)
Within RDA (0.5× RDA)
38 studies (A:1, B:7)
Sodium
100 mg
(4% DV)
MERK Complex
AstraGin
25 mg
ActiGin
25 mg
50 mcg
Market median: 0.15mg (41 products)
Power-Stim Complex
410 mg
Other Ingredients
Tartaric Acid
Natural & Artificial Flavors
Silicon Dioxide
Calcium Silicate
Sucralose
FD&C Blue #1
Claims
Label Claims — Verification
Unverified
All Other
Info
Product Information
Formulation Notes
Intense pre-workout formula
Brutal Blue Razz Naturally & artificially flavored
Metadata
Product Details
DSLD Entry Date2022-09-22
Product TypeOther Combinations
FormPowder
BrandStance Supplements
DSLD ID276661
Data Updated2026-04-11
Research
Research Evidence
237
Research Sources
53
Avg Quality
83
Meta Analysis
74
Systematic Review
45
Rct
29
Clinical Trial
2
Guideline
2
Regulatory Source
1
Openfda Safety
A
Associations between serum Homocysteine, vitamin B9, and vitamin B12 levels and the formation of intracranial Aneurysms: A systematic review and meta-analysis
A
Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
A
Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
A
Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
A
Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
B
Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
B
Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
B
A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
B
Relationship between vitamin B12 levels and motor development: A systematic review
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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.