Women's 2O Mixed Berry Flavor by Bayer One A Day — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
65% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Packet(s) Serving Size

Multi-Vitamin and Mineral (MVM) Product Type

65% Evidence Coverage

Supplement Facts — Evidence Check

Calories

Vitamin A

2500 IU (50% DV)

Vitamin C

60 mg (100% DV)

Vitamin D

800 IU (200% DV)

✅ 1.3× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.02mg UL 0.1mg

Vitamin E

30 IU (100% DV)

✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 20.1mg UL 1000mg

Vitamin K

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

Thiamine

1.5 mg (100% DV)

✅ 1.2× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 1.5mg

Riboflavin

1.7 mg (100% DV)

✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 1.7mg

Niacin

10 mg (50% DV)

✅ Within RDA (0.7× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 10mg UL 35mg

Vitamin B6

2 mg (100% DV)

✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 2mg UL 100mg

Folic Acid

400 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.4mg UL 1.0mg

Vitamin B12

6 mcg (100% DV)

✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.006mg

Biotin

30 mcg (10% DV)

✅ Within RDA (1.0× RDA of 0.03 mg) 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.03mg

Pantothenic Acid

5 mg (50% DV)

✅ Within RDA (1.0× RDA of 5 mg) 📚 1 studies — no high-quality reviews

RDA 5mg This product: 5mg

Calcium

450 mg (45% DV)

Iron

18 mg (100% DV)

Magnesium

50 mg (13% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 50mg

Zinc

15 mg (100% DV)

✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 15mg UL 40mg

Selenium

20 mcg (29% DV)

✅ Within RDA (0.4× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.02mg UL 0.4mg

Copper

2 mg (100% DV)

✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 2mg UL 10mg

Manganese

2 mg (100% DV)

✅ Within RDA (0.9× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 2mg UL 11mg

Chromium

120 mcg (100% DV)

📊 3.4× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.12mg

Sodium

110 mg (5% DV)

Other Ingredients

Citric Acid Calcium Carbonate Sodium Bicarbonate Magnesium Sulfate Glucose Syrup Artificial flavor Sorbitol Magnesium Carbonate Aspartame Iron Pyrophosphate Ascorbic Acid Acesulfame Potassium Zinc Citrate FD&C Red #40 DL-Alpha-Tocopheryl Acetate Nicotinamide Calcium D-Pantothenate Manganese Sulfate Copper Citrate Pyridoxine Hydrochloride Thiamine Hydrochloride Riboflavin Vitamin A Palmitate Polysorbate 80 Chromium Chloride Folic Acid Beta-Carotene Sodium Selenate Biotin Phytonadione Vitamin D3 Vitamin B12

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult Female (18 - 50 Years)

Product Information

📋 Directions for Use

DIRECTIONS: Adults: Open and take a sip from a 16.9 oz bottle of water. Use a larger bottle of water for lighter flavor. Follow opening directions on packet or cut open with scissors. Pour powder into bottle. Cover, shake until dissolved. Drink your Complete Multivitamin.

⚠️ 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 overdose, call a doctor or poison control center immediately.

KEEP OUT OF REACH OF CHILDREN CHILD RESISTANT PACKAGE

Do not use if packet is torn or open.

🧪 Formulation Notes

Contains: Fish (cod, pollock, haddock, hake, cusk, redfish, sole, floudter). PHENYLKETONURICS: CONTAINS PHENYLALANINE

Additional Information

Questions or comments? Please call 1-800-800-4793 (Mon - Fri 9AM - 5PM EST) Visit our website at www.oneaday.com

Zero Calories

Artificially Flavored

NEW!

INNER UNITS NOT LABELED FOR INDIVIDUAL SALE

Store at room temperature. Avoid excessive heat.

Complete Multivitamin Drink Mix Plus More For Women To Support: - Hydration - Bone Strength - Breast Health - Heart Health - Healthy Reproductive System

BAYER

Made in U.S.A.

C0964

Ingredients to Help Keep Women Strong and Healthy: (graph) BONE STRENGTH Calcium, Magnesium, Zinc, Vitamin D, K Copper, Manganese HEALTHY SKIN Vitamins A, C Copper, Iron HEART HEALTH Vitamins B6, B12, C, E, Folic Acid BREAST HEALTH Vitamin D REPRODUCTIVE SYSTEM Folic Acid, Calcium, Mangesium, Zinc

Provides nutritional support during PMS and menopause.

A Complete Multivitamin Drink Mix Plus More for Women It is important for women to get key nutrients and to stay hydrated. That's why One A Day(R) created One A Day Women's2O, the only complete multivitamin specially formulated for women in a powdered drink mix. When mixed with 16.9 oz of water, One A Day Women's2O is a good start to meeting your daily hydration needs. One A Day Women's2O also contains more calcium for bone strength and more Vitamin D to support breast health. Emerging research suggests the daily consumption of 1,000 IUs of Vitamin D is associated with support of breast health. One A Day Women's2O contains 800 IUs of Vitamin D to help supplement your daily intake of Vitamin D.

Product Details

UPC / SKU 0 16500 53719 9

DSLD Entry Date 2012-08-24

Product Type Multi-Vitamin and Mineral (MVM)

Form Powder

Brand Bayer One A Day

DSLD ID 12230

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →