Nutrienting
Swanson Premium Brand

Century Formula Without Iron

C+
N+ Score73
Collagen & BeautyServing: 1 Tablet(s)Type: Multi-Vitamin and Mineral (MVM)

This Swanson Premium Brand Century Formula Without Iron is a Multi-Vitamin and Mineral (MVM) supplement containing 23 ingredients. It holds an N+ Score of 73, earning a C+ grade, indicating a good quality product. Several key vitamins, including Vitamin A (1500mcg RAE), Vitamin C (90mg), Vitamin E (20mg), Thiamine (2.3mg), and Riboflavin (2.6mg), are provided at dosages research suggests are clinically relevant. However, some ingredients like Vitamin D, Vitamin K, and Calcium appear to be underdosed based on current recommendations. This product may be suitable for individuals seeking a foundational MVM without added iron, but who are aware of potential underdosed components.

About This Product

Century Formula Without Iron by Swanson Premium Brand is a collagen & beauty supplement containing 23 active ingredients. It has earned an N+ Score of 73/100 (Grade C+).

This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.

Notable clinical-dose ingredients include Thiamine, Riboflavin, Niacin and 16 more.

N+ Score Breakdown

Ingredient Adequacy70/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness33/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Key ingredients at clinically effective doses
  • +Fully transparent label with individual ingredient amounts disclosed
  • +Broad ingredient diversity exceeding category norms
  • +19 ingredient(s) at clinical dose levels
  • +Rich formula with 23 active ingredients

Weaknesses

  • −Missing several expected ingredients for its category

Ingredient Analysis (23 ingredients)

IngredientAmountDose Adequacy
Vitamin K25.000 mcgUnder
Thiamine2.300 mgOptimal
Riboflavin2.600 mgOptimal
Niacin20.000 mg NEOptimal
Vitamin B63.000 mgOptimal
Folate667.000 mcg DFEOptimal
Vitamin B129.000 mcgOptimal
Biotin25.000 mcgAdequate
Pantothenic Acid10.000 mgOptimal
Vitamin A1500.000 mcg RAEOptimal
Vitamin C90.000 mgAdequate
Vitamin D10.000 mcgUnder
Vitamin E20.000 mgOptimal
Calcium162.000 mgUnder
Iodine150.000 mcgOptimal
Magnesium100.000 mgAdequate
Zinc15.000 mgOptimal
Selenium25.000 mcgAdequate
Copper2.000 mgOptimal
Manganese5.000 mgOptimal
Chromium25.000 mcgAdequate
Potassium60.000 mgUnder
Molybdenum25.000 mcgAdequate

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.

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