🟢 99/100

This product looks safe

  • Vitamin B9: 8mg is 8.0× the Tolerable Upper Intake Level (1.0mg)
  • 46% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin B9: 8mg is 8.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

8 Gram(s) Serving Size
14 Servings
Other Combinations Product Type
46% Evidence Coverage

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Total Fat
Cholesterol
Total Carbohydrate
5 Gram(s) (2% DV)
Protein
Vitamin A
500 mcg RAE (56% DV)
Vitamin C
1000 mg (1111% DV)
25 mcg (125% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg
380 mcg (32% DV)
✅ Within RDA (0.3× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.38mg
430 mcg (33% DV)
✅ Within RDA (0.3× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 0.43mg
20 mg NE (125% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
10 mg (588% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
8 mcg DFE (2% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 8.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 8mg UL 1.0mg
25 mcg (1042% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
2.8 mg (56% DV)
✅ Within RDA (0.6× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 2.8mg
Calcium
50 mg (4% DV)
50 mg (12% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 50mg
30 mg (273% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
1.5 mg (65% DV)
✅ Within RDA (0.7× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 1.5mg UL 11mg
100 mcg (286% DV)
✅ 2.9× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.1mg
Potassium
25 mg (1% DV)
📊 Market median: 200.0mg (198 products) 📚 6 studies — no high-quality reviews
This product: 1mg

Other Ingredients

Maltodextrin Natural Flavors Citric Acid Malic Acid Stevia Silica

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) Sugar Free

Product Information

📋 Directions for Use

Start feeling great every day, more energized and healthier by adding one convenient on-the-go nutritious stick pack to either hot or cold water and enjoy!

Directions: Add one packet to 8 fl. oz. cold water once or twice daily as a dietary supplement.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if inner seal is broken.

Produced in a facility that uses milk, soy, peanut, tree nut, wheat, egg, fish and shellfish ingredients.

🧪 Formulation Notes

Made with the highest quality of ingredients, Resistance C single serve packets with 1000 mg of Vitamin C, 25 mcg of Vitamin D and 30 mg of zinc may help support the immune system. This elite combination along with B Vitamins will help with your daily energy, build up your resistance and revitalize your body.

Sugar free

Helps support your immune system

Vitamin C 1000 mg with 17 nutrients & 7 B vitamins Vitamin D, B12 & electrolytes

Additional Information

Store in a cool, dry place. Protect from heat, light and moisture.

14 stick packs 0.28 oz (8 g) stick packs

Product Details

UPC / SKU 035046 11844 0
DSLD Entry Date 2022-02-23
Product Type Other Combinations
Form Powder
Brand Resistance C
DSLD ID 261075
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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