Twinlab Daily One Caps, Without Iron, 180 Capsules supplement bottle
Twinlab

Daily One Caps, Without Iron, 180 Capsules

What We Researched
25 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 4 retailers compared · Last updated: Mar 2026
88
Product Score Good
64
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as beta carotene and retinyl palmitate) 3000 mcg RAE 333%
Vitamin C (as ascorbic acid) 150 mg 167%
Vitamin D (as cholecalciferol) 10 mcg 50%
Vitamin E (as d-alpha tocopheryl acid succinate) 67 mg 447%
Thiamin (as thiamin mononitrate) 25 mg 2083%
Riboflavin 25 mg 1923%
Niacin (as niacinamide) 100 mg NE 625%
Vitamin B6 (as pyridoxine hydrochloride) 25 mg 1471%
Folate (800 mcg Folic Acid) 1333 mcg DFE 333%
Vitamin B12 (as cyanocobalamin) 100 mcg 4167%
Biotin 300 mcg 1000%
Pantothenic Acid (as d-calcium pantothenate) 50 mg 1000%
Calcium (as calcium carbonate and calcium citrate) 25 mg 2%
Iodine (as potassium iodide) 150 mcg 100%
Magnesium (as magnesium oxide and magnesium aspartate) 7.2 mg 2%
Zinc (as zinc picolinate) 15 mg 136%
Selenium (as L-selenomethionine) 200 mcg 364%
Copper (as copper gluconate) 2 mg 222%
Manganese (as manganese gluconate) 5 mg 217%
Chromium (as chromium amino acid chelate) 200 mcg 571%
Molybdenum (as sodium molybdate) 150 mcg 333%
Potassium (as potassium citrate and potassium aspartate dibasic dihydrate) 12 mg <1%
Choline (as choline bitartrate) 10 mg 2%
Inositol 10 mg
FloraGLO® Lutein 500 mcg
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as beta carotene and retinyl palmitate) Good
  • Vitamin C (as ascorbic acid) Fair
  • Vitamin D (as cholecalciferol) Good
  • Vitamin E (as d-alpha tocopheryl acid succinate) Good
  • Thiamin (as thiamin mononitrate) Fair
  • Riboflavin Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (800 mcg Folic Acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as d-calcium pantothenate) Good
  • Calcium (as calcium carbonate and calcium citrate) Fair
  • Iodine (as potassium iodide) Good
  • Magnesium (as magnesium oxide and magnesium aspartate) Good
  • Zinc (as zinc picolinate) Good
  • Selenium (as L-selenomethionine) Good
  • Copper (as copper gluconate) Good
  • Manganese (as manganese gluconate) Good
  • Chromium (as chromium amino acid chelate) Good
  • Molybdenum (as sodium molybdate) Good
  • Potassium (as potassium citrate and potassium aspartate dibasic dihydrate) Fair
  • Choline (as choline bitartrate) Poor
  • Inositol Good
  • FloraGLO® Lutein Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Medium Chain Triglycerides
  • Magnesium Silicate
  • Silica
  • Magnesium Stearate
Efficacy Good

Dosage Analysis

  • Vitamin A (as beta carotene and retinyl palmitate) 3000 mcg RAE Effective
  • Vitamin C (as ascorbic acid) 150 mg Effective
  • Vitamin D (as cholecalciferol) 10 mcg Under-dosed
  • Vitamin E (as d-alpha tocopheryl acid succinate) 67 mg Effective
  • Thiamin (as thiamin mononitrate) 25 mg Effective
  • Riboflavin 25 mg Effective
  • Niacin (as niacinamide) 100 mg NE High
  • Vitamin B6 (as pyridoxine hydrochloride) 25 mg Effective
  • Folate (800 mcg Folic Acid) 1333 mcg DFE High
  • Vitamin B12 (as cyanocobalamin) 100 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (as d-calcium pantothenate) 50 mg Effective
  • Calcium (as calcium carbonate and calcium citrate) 25 mg Under-dosed
  • Iodine (as potassium iodide) 150 mcg Effective
  • Magnesium (as magnesium oxide and magnesium aspartate) 7.2 mg Under-dosed
  • Zinc (as zinc picolinate) 15 mg Effective
  • Selenium (as L-selenomethionine) 200 mcg Effective
  • Copper (as copper gluconate) 2 mg Effective
  • Manganese (as manganese gluconate) 5 mg Effective
  • Chromium (as chromium amino acid chelate) 200 mcg Effective
  • Molybdenum (as sodium molybdate) 150 mcg Effective
  • Potassium (as potassium citrate and potassium aspartate dibasic dihydrate) 12 mg Under-dosed
  • Choline (as choline bitartrate) 10 mg Under-dosed
  • Inositol 10 mg Under-dosed
  • FloraGLO® Lutein 500 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as beta carotene and retinyl palmitate) 3000 mcg RAE 333%
Vitamin C (as ascorbic acid) 150 mg 167%
Vitamin D (as cholecalciferol) 10 mcg 50%
Vitamin E (as d-alpha tocopheryl acid succinate) 67 mg 447%
Thiamin (as thiamin mononitrate) 25 mg 2083%
Riboflavin 25 mg 1923%
Niacin (as niacinamide) 100 mg NE 625%
Vitamin B6 (as pyridoxine hydrochloride) 25 mg 1471%
Folate (800 mcg Folic Acid) 1333 mcg DFE 333%
Vitamin B12 (as cyanocobalamin) 100 mcg 4167%
Biotin 300 mcg 1000%
Pantothenic Acid (as d-calcium pantothenate) 50 mg 1000%
Calcium (as calcium carbonate and calcium citrate) 25 mg 2%
Iodine (as potassium iodide) 150 mcg 100%
Magnesium (as magnesium oxide and magnesium aspartate) 7.2 mg 2%
Zinc (as zinc picolinate) 15 mg 136%
Selenium (as L-selenomethionine) 200 mcg 364%
Copper (as copper gluconate) 2 mg 222%
Manganese (as manganese gluconate) 5 mg 217%
Chromium (as chromium amino acid chelate) 200 mcg 571%
Molybdenum (as sodium molybdate) 150 mcg 333%
Potassium (as potassium citrate and potassium aspartate dibasic dihydrate) 12 mg <1%
Choline (as choline bitartrate) 10 mg 2%
Inositol 10 mg
FloraGLO® Lutein 500 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Magnesium Silicate Generally_safe

It is used to improve powder flow and prevent clumping.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$41$39$37$35$34 Mar 12 $39.00$35.60
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Twinlab

Founded 1968 · Boca Raton, Florida, USA · 14 products · twinlab.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed Source

Violation History

1 incident
Lawsuit Securities fraud, making false and misleading statements, and overstating inventory.2001Source
Related Supplements
Frequently Asked Questions
Is Twinlab Daily One Caps, Without Iron a good supplement?

Twinlab Daily One Caps, Without Iron, 180 Capsules received a product quality score of 88/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 25 active ingredients Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Twinlab, holds a brand trust score of 64/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Twinlab Daily One Caps, Without Iron?

Twinlab Daily One Caps, Without Iron contains 25 active ingredients: Vitamin A (as beta carotene and retinyl palmitate) (3000 mcg RAE), Vitamin C (as ascorbic acid) (150 mg), Vitamin D (as cholecalciferol) (10 mcg), Vitamin E (as d-alpha tocopheryl acid succinate) (67 mg), Thiamin (as thiamin mononitrate) (25 mg), Riboflavin (25 mg), and 19 more. Notable high-dose ingredients include Vitamin A at 333% DV, Vitamin E at 447% DV, Thiamin at 2083% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Twinlab Daily One Caps, Without Iron safe to take?

Twinlab Daily One Caps, Without Iron, 180 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Twinlab a trustworthy supplement brand?

Twinlab receives a brand trust score of 64/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Boca Raton, Florida, USA, the company offers 14 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Twinlab has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.