Home/ Supplements/ Thiamine/ ENGN Shred Pre-Workout Blue Raz

ENGN Shred Pre-Workout Blue Raz

product on market Powder Evlution Nutrition Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 75% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The product contains a blend of B vitamins, which are essential for energy metabolism and cellular function. There is strong evidence supporting the role of these vitamins in converting nutrients into energy. However, the overall evidence coverage for this specific formulation is very limited.

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

Label

Product Label

Label for ENGN Shred Pre-Workout Blue Raz
Open Full PDF View on NIH DSLD →
Details

Label Data

8 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

3.5 mg (318% DV)
2.9× RDA — within safe limits 76 studies (A:0, B:33)
35 mg (219% DV)
2.5× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (143% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
200 mcg (100% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
25 mcg (1000% DV)
10.4× RDA — above typical dose 139 studies (A:1, B:44)
205 mg
Within RDA (0.4× RDA) 38 studies (A:1, B:7)
24 mcg (60% DV)
Within RDA (0.7× RDA) 199 studies (A:1, B:55)
1600 mcg
Market median: 1500.0mg (104 products) 21 studies (A:0, B:2)
Market median: 496.0mg (192 products) 20 studies — no high-quality reviews
Within RDA (0.9× RDA) 38 studies (A:1, B:7)
500 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Market median: 1000.0mg (111 products)
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)
Market median: 180.0mg (239 products) 49 studies (A:1, B:19)
Capsimax
25 mg
Market median: 500.0mg (115 products)

Other Ingredients

Beta-Alanine Citric Acid Betaine Anhydrous Natural & Artificial Flavors Conjugated Linoleic Acid, Powder Choline Bitartrate L-Tyrosine L-Carnitine L-Tartrate Silica Caffeine Anhydrous, Natural Calcium Silicate Sucralose Niacin Olive Leaf Extract Capsimax Acesulfame Potassium Vitamin B1 Dicalcium Phosphate Vitamin B12 Vitamin B6 Folic Acid Brilliant Blue Chromium
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a food supplement, take 1 scoop with 236 mL of cold water 15-30 minutes before training.

Warnings & Precautions

Do not exceed daily intake of 300 mg of caffeine. To avoid sleeplessness, do not take within 4 hours of sleep. Warning: Do not exceed the recommended daily dose. Do not consume more than 1 serving per day or within four hours of bedtime. This product should not be used as a substitute for a varied diet or a healthy lifestyle. Consult a physician prior to using this or any supplement or if you have any medical condition. High caffeine content (250mg). Excessive caffeine may cause nervousness, sleeplessness, and occasional rapid heart rate.

Not recommended for children or pregnant or breast feeding women, do not use if you are caffeine, niacin, or beta-alanine sensitive. Keep out of reach of children, Not for use by individuals under the age of 18.

Not recommended for children or pregnant or breast feeding women, do not use if you are caffeine, niacin, or beta-alanine sensitive.

Not recommended for children or pregnant women.

Not recommended for children or pregnant women.

Formulation Notes

Engn Shred Pre-workout, when combined with regular training, is engineered to support: Focus Caffeine contributes to increased alertness and to improved attention in doses of at least 75 mg per serving. Do not exceed daily intake of 300 mg of caffeine. Energy Vitamins B6, B12, and Thiamine contribute to normal energy-yielding metabolism. Metabolism Chromium contributes to normal macronutrient metabolism and to the maintenance of normal blood glucose levels.

This product is made in the USA has been distributed and manufactured by a (GMP) registered facility and contains ingredients of domestic and international origin.

Supports focus Supports energy Supports metabolism

Blue Raz Naturally and artificially flavoured

Blue Raz Flavour Ready To Mix Food Supplement Powder With Sweeteners Contains Caffeine (250mg)

Additional Information

Store in a cool, dry place.

Made in the USA

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%RI Reference intake

Metadata

Product Details

UPC / SKU8 18901 02057 3
DSLD Entry Date2024-12-21
Product TypeOther Combinations
FormPowder
BrandEvlution Nutrition
DSLD ID326393
Data Updated2026-04-11
Research

Research Evidence

100
Research Sources
56
Avg Quality
48
Systematic Review
30
Meta Analysis
13
Rct
6
Clinical Trial
1
Cochrane Review
1
Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023 PubMed DOI
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022 PubMed DOI
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022 PubMed DOI
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020 PubMed DOI
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021 PubMed DOI
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022 PubMed DOI
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023 PubMed DOI
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
View all evidence for Thiamine →
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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.