🟢 86/100

This product is generally safe

  • Folate: 660mg is 660.0× the Tolerable Upper Intake Level (1.0mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 30% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 660mg is 660.0× the Tolerable Upper Intake Level (1.0mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

10 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
30% Evidence Coverage

Supplement Facts — Evidence Check

Calories
40 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
500 mg (556% DV)
134 mg (893% DV)
📊 8.9× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 134mg UL 1000mg
660 mcg DFE (167% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 660.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 660mg UL 1.0mg
Calcium
60 mg (5% DV)
Proprietary Blend
5.2 Gram(s)
300 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 300mg
Lemon Balm Leaf Extract
50 mg
📊 Market median: 200.0mg (198 products) 📚 6 studies — no high-quality reviews
This product: 10mg

Other Ingredients

Citric Acid Lemon Flavor, Natural Sucralose Silicon Dioxide

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years) Kosher

Product Information

📋 Directions for Use

Directions: Mix 2 scoops (10g) in 8 fl oz of cold water. May also be mixed with sparkling water or juice. Take 1 serving per day.

⚠️ Warnings & Precautions

Contains bioengineered food ingredients.

Notice: Not recommended for use in children.

Pregnant or lactating women should consult their physician prior to use of this product.

🧪 Formulation Notes

L-Arginine and L-Citrulline support the body’s nitric oxide production and circulatory and vascular health lemon natural flavor with other natural flavors

Strictly Kosher Rabbi S.D. Krausz Vaad Hakashrus D'Udvary

Niteworks is a dietary supplement formulated with L-arginine and L-citrulline that help the body create more life supporting nitric oxide. Vitamins C and E provide antioxidant support to combat the effects of oxidative stress on cells.

Niteworks is also an excellent source of folic acid to support a healthy cardiovascular system and is rich in antioxidant vitamins C and E.

30-day money-back guarantee. This exclusively formulated product is only available through Herbalife independent distributors.

Made in USA with US and imported ingredients

Additional Information

Strictly Kosher Rabbi S.D. Krausz Vaad Hakashrus D'Udvary

Research indicates that nitric oxide production supports healthy blood pressure levels already within a normal range and blood vessel elasticity.

Store in a cool, dry place with lid tightly closed.

Product Details

UPC / SKU 1156US
DSLD Entry Date 2025-05-21
Product Type Other Combinations
Form Powder
DSLD ID 335020
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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