🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 60% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
45 Servings
Other Combinations Product Type
60% Evidence Coverage

Supplement Facts — Evidence Check

20 mg (125% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
20 mg (1176% DV)
📊 15.4× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 20mg UL 100mg
150 mcg (6250% DV)
📊 62.5× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.15mg
10 mg (200% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
Intensify Black Proprietary Blend
940 mg

Other Ingredients

Gelatin Microcrystalline Cellulose Magnesium Stearate Silicon Dioxide FD&C Red 3 Titanium Dioxide FD&C Yellow 6 FD&C Red 40 FD&C Blue 1

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) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested use: Take 1 Intensify Black capsule with 6-8 oz. of juice or water 30 minutes prior to your morning meal, and 2 capsule with 6-8 oz. of juice or water 30 minutes prior to your afternoon meal. Caffeine content is approximately 160 mg per capsule. To avoid sleeplessness, avoid taking Intensify Black within 6 hours of bedtime. To be used as part of a healthy lifestyle consisting of regular physical activity and a proper diet.

⚠️ Warnings & Precautions

Contains milk.

Warning: Keep out of reach of children. LeanFORM24 is not for use by those under the age of 18.

For use by healthy adults only. Do not exceed recommended dose.

Do not use if you're pregnant or nursing.

Do not use if allergic or contraindicated to aspirin.

Before consuming, seek advice from a health care professional if you are unaware of your current health condition.

Intensify Black contains caffeine.

Do not consume caffeine from other sources, including but not limited to, coffee, tea, soda and other dietary supplements or medications containing caffeine. Consult with your physician prior to use if you were taking medication, including but not limited to MAOI inhibitors, antidepressants, aspirin, non-steroidal anti-inflammatory drugs or products containing phylephrine, ephedrine, pseudo ephedrine, or other stimulants.

Consult your physician prior to use if you have a medical condition, including but not limited to, heart, liver, kidney, or thyroid disease, psychiatric or epileptic disorders, difficulty urinating, diabetes, high or low blood pressure, cardiac arrhythmia, recurrent headaches, enlarged prostate or glaucoma.

Do not use if you are prone to dehydration or exposed to excessive heat. Discontinue use two weeks prior to surgery or if you experience rapid heartbeat, dizziness, severe headache or shortness of breath.

Do not use products if tamper resistant seals are broken. Warning for California residents only: This product contains a chemical known in the state of California to cause birth defects or other reproductive harm.

Consumer notice: FitLife Brands can only confirm product purity when our brands are purchased from authorized retailers, on gnc.com, or on ndsnutrition.com. For an approved list of retailers, go to ndsnutrition.com.

🧪 Formulation Notes

Complete weight loss transformation system Drop the pounds Lose the inches Control the cravings

Description: LeanFORM24 combines three essential products that work in sync 24 hours a day to support effective weight loss results and a transformed body. Drop the pounds Intensify Black fuels LeanForm24's strong thermogenic support, helping to deliver the weight loss results you deserve. It does this by maximizing the body's thermogenic process, which is the ability to burn fat more efficiently throughout the day.

Additional Information

Store in a cool dry place, and avoid excessive heat.

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For product questions: NDSNutrition.com

Product Details

UPC / SKU 8 11020 91050 3
DSLD Entry Date 2023-02-21
Product Type Other Combinations
Form Capsule
Bundle Lean Form 24
DSLD ID 277207
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 →

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