Vitamin A vs Vitamin B1

TL;DR

Quick comparison: Vitamin A and Vitamin B1 have 0 overlapping categories and appear together in 29 products.

•Choose Vitamin A if: Fat-soluble vitamin essential for vision, immune function, and cellular communic...
•Choose Vitamin B1 if: Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function...
•Take both if: You want comprehensive coverage across 0 shared categories.

564 products

analyzed in our comprehensive supplement database

Source: MoodStack Database (2026)

Side-by-Side Comparison

Feature	Vitamin A	Vitamin B1
Type	vitamin	vitamin
Common Dosage	700-900 mcg RAE daily	1.1-1.2 mg daily
Best Bioavailability	Retinol (90%)	Thiamine HCl (95%)
Categories	2	0
Available Products	0	0

Vitamin A

Typevitamin

Common Dosage700-900 mcg RAE daily

Best BioavailabilityRetinol (90%)

Categories2

Available Products0

Vitamin B1

Typevitamin

Common Dosage1.1-1.2 mg daily

Best BioavailabilityThiamine HCl (95%)

Categories0

Available Products0

Can You Take Both?

Yes, Vitamin A and Vitamin B1 can typically be taken together. In fact, we found 29 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin A

Fat-soluble vitamin essential for vision, immune function, and cellular communication. Exists as preformed vitamin A (retinoids) in animal products and provitamin A (carotenoids) in plants.

Categories:

Immunity Skin, Hair & Nails

Common Forms:

• Retinol (90% bioavailability)
• Retinyl palmitate (85% bioavailability)
• Retinyl acetate (85% bioavailability)

Vitamin B1

Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function, and carbohydrate processing. Required for production of ATP in cellular mitochondria.

Categories:

Common Forms:

• Thiamine HCl (95% bioavailability)
• Thiamine mononitrate (90% bioavailability)
• Benfotiamine (50% bioavailability)

Products Containing Both Vitamin A and Vitamin B1

We found 12 products that combine both supplements:

Transparent Labs Multivitamin

Transparent Labs

$44.99Score: 87/100

Multi for Her 50+ Tablets

Nature Made

$12.99Score: 86/100

Multi for Him Tablets

Nature Made

$11.49Score: 86/100

Essential Multivitamin

Momentous

$39.95Score: 86/100

Multi for Him 50+ Tablets

Nature Made

$12.99Score: 86/100

Prenatal Multi + DHA Softgels

Nature Made

$22.99Score: 86/100

Elite Multivitamin

Gorilla Mind

$44.99Score: 85/100

Daily Multivitamin

Myprotein

$9.99Score: 85/100

Daily Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 85/100

Multi for Her Tablets

Nature Made

$12.49Score: 84/100

Multivitamin Complete Tablets with Iron

Nature Made

$9.99Score: 83/100

Adult 50+ Mature Multi Vitamins & Minerals

Kirkland Signature

$12.99Score: 82/100

Frequently Asked Questions

What is the difference between Vitamin A and Vitamin B1?

Vitamin A and Vitamin B1 are both important supplements with distinct properties. Vitamin A Fat-soluble vitamin essential for vision, immune function, and cellular communication. Exists as preformed vitamin A (retinoids) in animal products and provitamin A (carotenoids) in plants., while Vitamin B1 Water-soluble vitamin (thiamine) essential for energy metabolism, nerve function, and carbohydrate processing. Required for production of ATP in cellular mitochondria..

Can I take Vitamin A and Vitamin B1 together?

Based on our analysis of 29 products that contain both, yes, Vitamin A and Vitamin B1 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin A or Vitamin B1?

In our database of 564 products, Vitamin A appears in 57 products, while Vitamin B1 appears in 44 products.

Related Comparisons & Products

What is Vitamin A?What is Vitamin B1?Vitamin A vs Niacinamide Vitamin A vs Vitamin B5 Vitamin A vs Phosphorus Transparent Labs Multivitamin (contains both)Essential Multivitamin (contains both)Multi for Him Tablets (contains both)

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.