ImmuBlast C Ultimate Orange Flavor

product on market Powder 21st Century 🟢 Safety: 98/100
Brand: 21st Century
🟢 98/100

This product looks safe

  • Folate: 167mg is 167.0× the Tolerable Upper Intake Level (1.0mg)
  • 56% of ingredients have research evidence
C Label Compliance Grade

Product Label

Label for ImmuBlast C Ultimate Orange Flavor
📄 Open Full PDF View on NIH DSLD →
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Safety Alerts

⚠️ Folate: 167mg is 167.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

9 Gram(s) Serving Size
30 Servings
Multi-Vitamin and Mineral (MVM) Product Type
56% Evidence Coverage

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Total Carbohydrates
5 Gram(s) (2% DV)
Vitamin C
1000 mg (1111% DV)
0.38 mg (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
0.43 mg (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
4 mg (25% DV)
✅ Within RDA (0.3× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 4mg 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
167 mcg DFE (42% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 167.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 167mg 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
2.5 mg (50% DV)
✅ Within RDA (0.5× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 2.5mg
Calcium
50 mg (4% DV)
38 mg (3% DV)
✅ Within RDA (0.1× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 38mg UL 4000mg
60 mg (14% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 60mg
2 mg (18% DV)
✅ Within RDA (0.2× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 2mg UL 40mg
0.5 mg (22% DV)
✅ Within RDA (0.2× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 0.5mg UL 11mg
10 mcg (29% DV)
✅ Within RDA (0.3× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.01mg
Sodium
65 mg (3% DV)
Potassium
200 mg (4% DV)

Other Ingredients

Fructose Malic Acid Citric Acid dried Orange Silicon Dioxide Aspartic Acid Beta-Carotene L-Cysteine L-Glycine Mixed Tocopherols Natural Flavors Stevia Tartaric Acid

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) Gluten Free

Product Information

📋 Directions for Use

Take it on the go! Easily pour into water bottles for power packed nutrients on the go!

Directions: Ages 14 and up, one (1) packet daily. Empty contents into a glass, add 4-6 oz of water, stir. For lighter flavor, mix with more water. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with.

🧪 Formulation Notes

Naturally sweetened efferverscent drink mix

Vitamin C 1,000 mg 15 nutrients 7 B vitamins Plus electrolytes & antioxidants

No artificial flavors

Gluten free

30-0.317 oz (9 g) Packets

21st Century ImmuBlast-C effervescent drink mix has 1,000 mg of vitamin C, plus B vitamins, zinc and antioxidants to help support a healthy immune system.

Wellness Vitamin C, zinc and antioxidants support a healthy immune system Energy B vitamins play a key role in metabolism for energy in a daily diet Electrolytes Support healthy hydration and support energy production and use

No added yeast.

Additional Information

Compare VS. Emergen-C

Intensify the flavor! Select your intensity. The less water you use, the more flavor you get!

Guaranteed Quality Laboratory Tested

Individual results may vary.

Store at room temperature.

Product Details

DSLD Entry Date 2021-12-18
Product Type Multi-Vitamin and Mineral (MVM)
Form Powder
Brand 21st Century
DSLD ID 258454
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
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
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
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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