NOW Foods Special Two
vs
21st Century Sentry Senior Adults 50+
Supplement Comparison

  • Vitamin D: 21st Century Sentry Senior Adults 50+ has 2.5× more
  • Magnesium: same total amount on both labels
  • Vitamin C: NOW Foods Special Two has 8.3× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 62 nutrients compared
Bar chart: per-serving label amounts and listed forms for NOW Foods Special Two vs 21st Century Sentry Senior Adults 50+.

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Frequently asked questions

Which active ingredients does NOW Foods Special Two have?

  • Vitamin A appears as Beta Carotene
  • Vitamin C appears as Calcium Carbonate and Ascorbate
  • Vitamin D appears as Ergocalciferol (D2)
  • Vitamin E appears as d-Alpha Tocopheryl Acid Succinate
  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Folic Acid
  • Vitamin B12 (Cobalamin) appears as Cyanocobalamin
  • Vitamin B7 (Biotin) appears as D-Biotin
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Choline appears as Choline Bitartrate
  • PABA
  • Calcium appears as Calcium Carbonate and Ascorbate
  • Iron appears as Ferrochel Ferrous Bisglycinate Chelate (Albion)
  • Iodine appears as Potassium Iodide
  • Magnesium appears as Magnesium Oxide
  • Zinc appears as Zinc Picolinate
  • Selenium appears as L-Selenomethionine
  • Copper appears as TRAACS Copper Bisglycinate (Albion)
  • Manganese appears as TRAACS Manganese Bisglycinate (Albion)
  • Chromium appears as Chromium Picolinate
  • Molybdenum appears as Sodium Molybdate
  • Potassium appears as Potassium Chloride
  • Lutein appears as FloraGLO Lutein from Marigold Flowers Extract
  • Lycopene
  • Inositol
  • Amylase
  • Lipase
  • Papain
  • Alpha Lipoic Acid
  • Rutin
  • Bromelain
  • Milk Thistle (Silybum marianum)
  • Green Tea
  • Alfalfa
  • Spirulina (Arthrospira platensis) Microalgae
  • Chlorella
  • Alfalfa Juice Concentrate
  • Rose Hip Powder

Which active ingredients does 21st Century Sentry Senior Adults 50+ have?

  • Vitamin A appears as Retinyl Acetate and Beta-Carotene
  • Vitamin C appears as Ascorbic Acid
  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin E appears as dl-Alpha Tocopheryl Acetate
  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin B1 (Thiamin) appears as Thiamin Mononitrate
  • Vitamin B2 (Riboflavin) appears as Riboflavin
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Folic Acid
  • Vitamin B12 (Cobalamin) appears as Cyanocobalamin
  • Vitamin B7 (Biotin)
  • Vitamin B5 (Pantothenic Acid) appears as D-Calcium Pantothenate
  • Calcium appears as Calcium Carbonate and Dicalcium Phosphate
  • Phosphorus appears as DiCalcium Phosphate
  • Iodine appears as Potassium Iodide
  • Magnesium appears as Magnesium Oxide
  • Zinc appears as Zinc Oxide
  • Selenium appears as Sodium Selenate
  • Copper appears as Copper Sulfate
  • Manganese appears as Manganese Sulfate
  • Chromium appears as Chromium Picolinate
  • Molybdenum appears as Sodium Molybdate
  • Chloride appears as Potassium Chloride
  • Potassium appears as Potassium Chloride
  • Lutein
  • Lycopene

Which categories do NOW Foods Special Two and 21st Century Sentry Senior Adults 50+ belong to?

  • Digestive Support
  • Multivitamin
  • Single Mineral
  • Senior Formula

What health concerns do NOW Foods Special Two and 21st Century Sentry Senior Adults 50+ address?

  • Antioxidant Support
  • Digestive Support
  • Energy & Metabolism
  • General Health
  • Eye Health

Which product has a higher amount of Vitamin D per serving?

  • 21st Century Sentry Senior Adults 50+ has the highest total amount of Vitamin D: 1000 IU per serving

Which product has a higher amount of Magnesium per serving?

  • Both products list the same total amount of Magnesium per serving

Which product has a higher amount of Vitamin C per serving?

  • NOW Foods Special Two has the highest total amount of Vitamin C: 500 mg per serving

Which product has a higher amount of Zinc per serving?

  • NOW Foods Special Two has the highest total amount of Zinc: 15 mg per serving

Which product has a higher amount of Calcium per serving?

  • 21st Century Sentry Senior Adults 50+ has the highest total amount of Calcium: 220 mg per serving

Which product has a higher amount of Vitamin B12 (Cobalamin) per serving?

  • NOW Foods Special Two has the highest total amount of Vitamin B12 (Cobalamin): 100 mcg per serving

Which product has a higher amount of Vitamin B9 (Folate) per serving?

  • NOW Foods Special Two has the highest total amount of Vitamin B9 (Folate): 680 mcg DFE per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • NOW Foods Special Two: 4 capsules
    • 21st Century Sentry Senior Adults 50+: 1 tablet
  • Vitamin A
    • This supplement has 3000 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin C
    • This supplement has 500 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin D
    • This supplement has 400 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin E
    • This supplement has 134 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin B1 (Thiamin)
    • This supplement has 50 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B2 (Riboflavin)
    • This supplement has 50 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin A
    • This supplement has 750 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin C
    • This supplement has 60 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin D
    • This supplement has 1000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin E
    • This supplement has 22.5 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin K
    • This supplement has 30 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B1 (Thiamin)
    • This supplement has 1.5 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 2, 2026