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Formula 19 Black Currant

product on market Powder Blackstone Labs Safety: 96/100
96/100

This product looks safe

  • Magnesium Glycyl Glutamine: 500mg is 1.4× the Tolerable Upper Intake Level (350mg)
  • 22% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

The product contains a carbohydrate blend and magnesium, which are supported by strong evidence for maintaining energy levels and supporting muscle function during exercise. These ingredients provide essential fuel and electrolytes to aid recovery. Overall evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Magnesium Glycyl Glutamine: 500mg is 1.4× the Tolerable Upper Intake Level (350mg)

Label

Product Label

Label for Formula 19 Black Currant
Open Full PDF View on NIH DSLD →
Details

Label Data

34.42 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
22%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
100 Calorie(s)
Total Carbohydrates
25 Gram(s) (9% DV)
Sodium
350 mg (15% DV)
20 mg (5% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
R3 Carbohydrate Blend
25 Gram(s)
4.5 Gram(s)
Market median: 420.0mg (227 products)
2.5 Gram(s)
Market median: 17.4mg (161 products)
Exceeds UL by 1.4× (UL: 350 mg) 316 studies (A:8, B:159)
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews

Other Ingredients

Maltodextrin Citric Acid Erythritol Natural and Artificial flavors Sucralose Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions For Men: As a dietary supplement, mix 2 scoops in 8-10 oz of water and take post workout on training days. For Women: As a dietary supplement, mix 1 scoop in 8-10 oz of water and take post workout on training days. Can alternatively be taken pre-workout for added energy.

Warnings & Precautions

Warning Keep out of reach of children. This product should not be taken by individuals under 18 years of age.

Consult a licensed health professional before taking this product. This product is not intended as a sole source of nutrition and should be consumed in conjunction with an appropriate physical training or exercise program.

You should not take this product if you have any current or pre-existing medical conditions, or if you are pregnant or nursing. Do not take this product with alcohol, or if you currently taking any prescription or over-the-counter medications.

Do not exceed recommended serving, as it could result in serious adverse health effects. If you experience an unusually rapid heartbeat, dizziness, severe headache, or shortness of breath, discontinue use immediately.

Allergen warning: Manufactured on shared equipment that also processes eggs, wheat, & Soy (Lecithin)

Formulation Notes

Superior Carbohydrate blend for rapid Glycogen loading Glutamine for recovery & cell volumizing Leucine for anabolic effect Alpha Lipoic Acid for rapid Carbohydrate transport Electrolytes for hydration & recovery

R3 Carbohydrate

Additional Information

Store in a cool, dry place.

Recover, recreate, reanimate 30 servings Naturally & artificially flavored

Metadata

Product Details

UPC / SKU6 36391 88256 9
DSLD Entry Date2019-07-24
Product TypeOther Combinations
FormPowder
DSLD ID204939
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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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.