Organic Multivitamin by Kirkland Signature — Ingredients, Evidence & Safety

🟢 99/100

This product looks safe

Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
59% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Tablet(s) Serving Size

80 Servings

Other Combinations Product Type

59% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

945 mcg RAE (105% DV)

Vitamin C

90 mg (100% DV)

Vitamin D3

30 mcg (150% DV)

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

RDA 0.015mg This product: 0.03mg UL 0.1mg

Vitamin E

15 mg (100% DV)

✅ Within RDA (1.0× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 15mg UL 1000mg

Vitamin B1

5.6 mg (469% DV)

📊 4.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 5.6mg

Vitamin B2

5.6 mg (433% DV)

📊 4.3× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 5.6mg

Vitamin B3

7.9 mg NE (49% DV)

✅ Within RDA (0.6× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 7.9mg UL 35mg

Vitamin B6

11.3 mg (662% DV)

📊 8.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 11.3mg UL 100mg

Folate

400 mcg DFE (100% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 400.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 400mg UL 1.0mg

Vitamin B12

7.2 mcg (300% DV)

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

RDA 0.0024mg This product: 0.0072mg

Biotin

30 mcg (100% 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

13.5 mg (270% DV)

✅ 2.7× RDA — within safe limits 📚 1 studies — no high-quality reviews

RDA 5mg This product: 13.5mg

Calcium

4.5 mg (1% DV)

Iron

1.4 mg (8% DV)

Magnesium

1.1 mg (1% DV)

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

This product: 1.1mg

Zinc

1.7 mg (15% DV)

✅ Within RDA (0.2× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 1.7mg UL 40mg

Selenium

55 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.055mg UL 0.4mg

Manganese

0.5 mg (20% DV)

✅ Within RDA (0.2× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 0.5mg UL 11mg

Chromium

35 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.035mg

Organic Food Blend

562 mg

Organic Greens Alkalizing Blend

25 mg

Organic Full Spectrum Mushroom Complex

10 mg

Other Ingredients

Dextrose Gum Acacia Rice Extract Sunflower Oil Rice Husk Maltodextrin Alginate Silicon Dioxide Water, Purified Clear Coating

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Organic Gluten Free

Product Information

📋 Directions for Use

Just one per day

Suggested Use: As a dietary supplement, adults take one tablet daily with a meal.

⚠️ Warnings & Precautions

Consult your doctor before use.

Caution: If you are pregnant or nursing, taking any medications, or if you have any medical condition or are planning any medical procedure, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

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.

🧪 Formulation Notes

Whole food sourced

Gluten free

Vegan

No synthetic vitamins Non-GMO

USDA Certified Organic

Non-GMO Project Verified Gluten free, no artificial colors, flavors or preservatives

Kirkland Signature Organic Multivitamin has no artificial colors, flavors or preservatives. Organically grown food contains no GMOs (Genetically Modified Organisms), which are prohibited under USDA organic certification standards. The entire supply chain is Non-GMO Project Verified, meaning it has been reviewed to ensure there are no genetically modified ingredients.

The vitamins and minerals in Kirkland Signature Organic Multivitamin help deliver a complete formula that provides: Immune support - with vitamins C, D, E, and Selenium Heart support - with vitamins B6 and Folate Cellular energy support - with vitamins B1, B2, B3, B6, B12, Folate, Biotin and Pantothenic Acid Antioxidant support - with vitamins C, E, Zinc, Selenium and Manganese Eye support - with vitamins A, C, E and Zinc

Additional Information

USDA Organic

Non GMO Project Verified nongmoproject.org

Since 1995, the Kirkland Signature brand has been providing high quality supplements at a great member value. Kirkland Signature vitamins, minerals, and supplements are made from carefully selected ingredients from trusted suppliers. The supplements are manufactured in accordance with the Good Manufacturing Practice standards. Additionally, many of the items are verified by the United States Pharmacopeia (USP) which is an independent, scientific, non-profit organization that sets strict quality and purity standards for dietary supplements.

Product Details

DSLD Entry Date 2022-09-22

Product Type Other Combinations

Form Tablet or Pill

Brand Kirkland Signature

DSLD ID 275997

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 →