🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 80% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

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

Label Data

1 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
80% Evidence Coverage

Supplement Facts — Evidence Check

30 mg (150% DV)
✅ 2.1× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 30mg UL 35mg
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
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
500 mcg (8333% DV)
📊 208.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.5mg
Concentrated Energizing Blend:
655 mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Stearic Acid Hypromellose Coating Croscarmellose Sodium Magnesium Stearate Silica Yellow 5 Lake

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take one Bi-Layer Tablet daily either in the morning or early afternoon for enhanced energy and alertness. Do not take before bedtime.*

⚠️ Warnings & Precautions

CAUTION: Contains caffeine comparable to a 12 oz. cup of the leading premium coffee. Caffeine intake is not advisable in cases of high blood pressure, pregnancy or nursing. Limit the use of caffeine-containing medications, foods or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness and, occasionally, rapid heartbeat. Do not exceed recommended dose.

- Keep out of reach of children.

- Do not purchase if seal is broken.

🧪 Formulation Notes

Phenylketonurics: Contains phenylalanine. Contains niacin: You may experience a transient flushing and feeling of warmth.

For adult use only.

Contains soy.

Additional Information

Energize Your Day, Your Workout and Your Life!* Get more energizing power for your money with 8-HOUR ALERT. This concentrated formula is designed for fast-acting and long-lasting energizing power and mental alertness. Just one easy-to-swallow 2-Stage Energy Release Bi-Layer Tablet works for up to 8 hours to keep you going throughout the day without crashing. Each bottle of 8-HOUR ALERT provides a 14 day supply of sustained energy!*

MHP-091624-0612 E5800301

HIGH VOLTAGE ENERGY* 2-STAGE ENERGY RELEASE BI-LAYER TABLETS* Alert*> Aware*> Awake* No Jitters... No Crash!*

- Store at 15(0)-30(0)C (59(0)-86(0)F). - Protect from heat, light and moisture.

VALUE SIZE!

Product Details

UPC / SKU 6 66222 09162 4
DSLD Entry Date 2013-03-25
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 19370
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

Compare Similar Products

View all Niacin products →