Optimal Start by Seeking Health — Ingredients, Evidence & Safety

🟢 99/100

This product looks safe

Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
65% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size

30 Servings

Other Combinations Product Type

65% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

450 mcg RAE (50% DV)

Vitamin C

250 mg (278% DV)

Vitamin E

99 mg (660% DV)

📊 6.6× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 99mg UL 1000mg

Thiamine

50 mg (4167% DV)

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

RDA 1.2mg This product: 50mg

Riboflavin

25 mg (1923% DV)

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

RDA 1.3mg This product: 25mg

Niacin

100 mg (625% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 100mg UL 35mg

Vitamin B6

25 mg (1471% DV)

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

RDA 1.3mg This product: 25mg UL 100mg

Biotin

500 mcg (1667% DV)

📊 16.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.5mg

Pantothenic Acid

150 mg (3000% DV)

📊 30.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 150mg

Magnesium

200 mg (48% DV)

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

This product: 200mg

Zinc

15 mg (136% DV)

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

RDA 11mg This product: 15mg UL 40mg

Selenium

150 mcg (273% DV)

✅ 2.7× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.15mg UL 0.4mg

Manganese

4 mg (174% DV)

✅ 1.7× RDA — within safe limits 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 4mg UL 11mg

Chromium

150 mcg (429% DV)

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

RDA 0.035mg This product: 0.15mg

Molybdenum

75 mcg (167% DV)

✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews

RDA 0.045mg This product: 0.075mg UL 2mg

Potassium

99 mg (2% DV)

Ashwagandha extract

150 mg

📊 Market median: 450.0mg (502 products) 📚 28 studies (Tier A: 0, B: 8)

This product: 150mg

Siberian Ginseng extract

150 mg

📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)

This product: 150mg

American Ginseng

150 mg

📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)

This product: 150mg

Coenzyme Q10

50 mg

📊 Market median: 100.0mg (283 products) 📚 142 studies (Tier A: 1, B: 64)

This product: 50mg UL 1200mg

Shilajit extract

50 mg

Mixed Tocopherols

9 mg

✅ Within RDA (0.6× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 9mg UL 1000mg

Boron

750 mcg

📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews

This product: 0.75mg UL 20mg

Other Ingredients

HPMC Ascorbyl Palmitate Medium-Chain Triglyceride Oil L-Leucine Silica

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Suggested Use: Take 4 capsules daily with food or use as directed by your healthcare professional. California residents should not exceed 2 capsules daily. May be taken in divided doses if desired. Do not take within 5 hours of bedtime as it may interfere with sleep.

⚠️ Warnings & Precautions

Children and pregnant or lactating women should consult their healthcare professional prior to use.

Do not use if tamper seal is damaged.

Storage: Keep closed in a cool, dry place out of reach by children.

Servings Per Container: 30 (California Residents: 60)

🧪 Formulation Notes

Optimal Start is a unique multivitamin free of copper, iron, calcium, B12 and folate – providing a tailored starting point for those who may be sensitive to methylation support supplements. Additional adaptogenic herbs may also help support healthy glandular function.

Does Not Contain: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, artificial flavors, or artificial colors.

Additional Information

Storage: Keep closed in a cool, dry place out of reach by children.

Optimal Start Meets or Exceeds cGMP Quality Standards.

This package is completely recyclable

Physician Formulated

Product Details

UPC / SKU 7 98295 54929 7

DSLD Entry Date 2020-01-25

Product Type Other Combinations

Form Capsule

Brand Seeking Health

DSLD ID 211058

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 →