NF Formulas Spectrum 2C With Iron

product on market Capsule Integrative Therapeutics 🟢 Safety: 99/100
Brand: Integrative Therapeutics
🟢 99/100

This product looks safe

  • Niacin: 37mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • 60% of ingredients have research evidence
C Label Compliance Grade

Product Label

Label for NF Formulas Spectrum 2C With Iron
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Safety Alerts

⚠️ Niacin: 37mg is 1.1× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size
120 Servings
Other Combinations Product Type
60% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
6250 IU (125% DV)
Vitamin C
200 mg (333% DV)
25 IU (6% DV)
📊 Market median: 0.03mg (3448 products) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.000625mg UL 0.1mg
100 IU (333% DV)
📊 4.5× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 67.0mg UL 1000mg
25 mcg (31% DV)
✅ Within RDA (0.2× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.025mg
25 mg (1667% DV)
📊 20.8× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 25mg
15 mg (882% DV)
📊 11.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 15mg
37 mg (185% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.1× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 37mg UL 35mg
37 mg (1850% DV)
📊 28.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 37mg UL 100mg
200 mcg (50% DV)
✅ Within RDA (0.5× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.2mg UL 1.0mg
25 mcg (417% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
50 mcg (17% DV)
✅ 1.7× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.05mg
37 mg (370% DV)
📊 7.4× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 37mg
Calcium
212 mg (21% DV)
Iron
5 mg (28% DV)
56 mcg (37% DV)
✅ Within RDA (0.4× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.056mg UL 1.1mg
162 mg (40% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 162mg
7.5 mg (50% DV)
✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 7.5mg UL 40mg
43 mcg (67% DV)
✅ Within RDA (0.8× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.043mg UL 0.4mg
500 mcg (25% DV)
✅ Within RDA (0.6× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.5mg UL 10mg
5 mg (250% DV)
✅ 2.2× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 5mg UL 11mg
50 mcg (42% DV)
✅ 1.4× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.05mg
12 mcg (16% DV)
✅ Within RDA (0.3× RDA of 0.045 mg) 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.012mg UL 2mg
Potassium
15 mg (1% DV)
62 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 62mg
16 mg
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 16mg
16 mg
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 16mg
12 mg
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 12mg UL 3500mg
12 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 12mg
12 mg
📊 Market median: 500.0mg (9 products)
This product: 12mg
12 mg
📊 Market median: 500.0mg (19 products)
This product: 12mg
3.2 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 3.2mg
Papain
1.2 mg
250 mcg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 0.25mg UL 20mg
18 mcg
📊 Market median: 0.5mg (6 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.018mg UL 1.8mg

Other Ingredients

Gelatin Soybean Oil

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (71% of products) Nutrient (61% of products) Approved Health (1% of products)

Target Groups

Adult (18 - 50 Years) No Allergies Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Recommendations: Take 2 capsules twice daily with meals or as recommended by your healthcare practitioner.

⚠️ Warnings & Precautions

WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or Poison Control Center immediately.

If pregnant, nursing, or taking prescription drugs, consult your healthcare practitioner prior to use.

🧪 Formulation Notes

Contains no sugar, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial coloring, artificial flavoring, or preservatives.

Additional Information

Spectrum 2C with Iron is a comprehensive, hypoallergenic, multiple vitamin supplement with minerals. Designed for maximum bioavailability, Spectrum 2C with Iron uses both water-soluble and fat-soluble vitamin C, phosphorylated forms of riboflavin and pyridoxine, and mineral citrates, malates and amino acid chelates. Digestive support is provided with the addition of betaine HCl, glutamic acid, papain, and bromelain.

This product contains natural ingredients; color variations are normal.

LI196008.A02 (B010181A)

EVIDENCE-BASED

A multiple vitamin-mineral formulation

Product Details

UPC / SKU 8 71791 00209 8
DSLD Entry Date 2013-08-23
Product Type Other Combinations
Form Capsule
Brand Integrative Therapeutics
DSLD ID 24520
Data Updated 2026-04-11

Research Evidence

566 Research Sources
56 Avg Quality Score
240 Meta Analysis
100 Clinical Trial
74 Systematic Review
71 Guideline
58 Rct
11 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
1 Observational
1 Openfda Safety
A Systematic review and meta-analysis of intravenous iron therapy for patients with heart failure and iron deficiency
Meta Analysis Nature medicine 2025
PubMed DOI
A Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and adult menstruating women
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
A Oral or parenteral iron supplementation to reduce deferral, iron deficiency and/or anaemia in blood donors
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Serum or plasma ferritin concentration as an index of iron deficiency and overload
Meta Analysis The Cochrane database of systematic reviews 2021
PubMed DOI
A Non-invasive diagnostic tests for Helicobacter pylori infection
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI
A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2022
PubMed DOI
A Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations
Meta Analysis The Cochrane database of systematic reviews 2021
PubMed DOI
A Fortification of condiments and seasonings with iron for preventing anaemia and improving health
Meta Analysis The Cochrane database of systematic reviews 2023
PubMed DOI
A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2024
PubMed DOI
A Psychiatric and cognitive outcomes of iron supplementation in non-anemic children, adolescents, and menstruating adults: A meta-analysis and systematic review
Meta Analysis Neuroscience and biobehavioral reviews 2025
PubMed DOI
View all evidence for Iron →

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