NEW
🌿 Vitamin B9
Nature's Blend, Folic Acid, 1000 mcg, 1000 Tabs
Cost per serving
$0.02
Cheap·−80%$23.97last seen · confirm on Amazon
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See the offer Vitamin B9 cost per dose
Currently from $0.024 per serving across our tracked stores. Same molecule, dramatically different per-dose pricing — sorted bottom-up.
Prices checked Jun 25, 2026
See also: best Vitamin B9 deals · Vitamin B9 basics
NEW
💉 Cyanocobalamin
NOW Supplements, Folic Acid 800 mcg + B-12 (Cyanocobalamin) 25…
Cost per serving
$0.02
$6.11last seen · confirm on Amazon
Amazon.com 0
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⚡ Vitamin B12
Now Foods, Folic Acid With Vitamin B-12, 800 Mcg, 250 Tabs
Cost per serving
$0.03
$6.45last seen · confirm on Amazon
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🌿 Vitamin B9
21st Century, Folic Acid, 800 mcg, 180 Tabs
Cost per serving
$0.03
Cheap·−77%$4.95last seen · confirm on Amazon
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🌿 Vitamin B9
Bronson Folic Acid 800 MCG Supports Prenatal Development
Cost per serving
$0.03
Cheap·−77%$9.99last seen · confirm on Amazon
Bronson · Amazon.com 0
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🌿 Vitamin B9
Foster And Thrive, Folic Acid, 400 Mcg, 250 Tabs
Cost per serving
$0.03
Cheap·−76%$6.99last seen · confirm on Amazon
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🌿 Vitamin B9
Source Naturals, Folic Acid, 800 mcg, 200 Tabs
Cost per serving
$0.03
Avg·−74%$6.29last seen · confirm on Amazon
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🌿 Vitamin B9
Healthfare Folic Acid 400mcg | 300 Veg Tablets | Folate…
Cost per serving
$0.03
Avg·−74%$9.99last seen · confirm on Amazon
Amazon.com 0
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🌿 Vitamin B9
Nature's Bounty Folic Acid Supplement
Cost per serving
$0.05
Avg·−70%$11.36last seen · confirm on Amazon
Nature's Bounty · Amazon.com 0
See the offer Frequently asked
What is the cheapest Vitamin B9 per dose?+
Nature's Blend, Folic Acid, 1000 mcg, 1000 Tabs — $0.02 per serving ($23.97 for 1000 servings), the lowest cost-per-dose vitamin b9 in our Amazon US catalog as of June 2026.
What is the typical cost per dose for Vitamin B9?+
About $0.11 per serving across 68 tracked vitamin b9 products, ranging from $0.03 for the best deals to $0.22 for premium options.
Is the cheapest Vitamin B9 the best one to buy?+
Not always. The cheapest is sometimes cheaper because of the form — magnesium oxide costs less than glycinate per gram but absorbs at a fraction of the rate. Weigh cost-per-dose against form bioavailability and third-party testing, not price alone.