Best Vitamin B2

Q: What is the best-value Vitamin B2 supplement?

Micro Ingredients Riboflavin Vitamin B2 — <$0.001 per serving ($0.07 for 240 servings), the lowest cost-per-dose vitamin b2 in our Amazon US catalog as of June 2026.

Q: What is the typical cost per dose for Vitamin B2?

About $0.11 per serving across 37 tracked vitamin b2 products, ranging from $0.07 for the best deals to $0.16 for premium options.

The best vitamin b2 we track, ranked by real cost-per-dose — not paid placements. Across 37 tracked options the typical dose runs $0.11 per serving.

Prices checked Jun 25, 2026

Best valueMicro Ingredients Riboflavin Vitamin B2

<$0.001 per serving — the cheapest vitamin b2 dose we track.

$0.07

<$0.001/serving

Get deal

3rd-party testedNOW Supplements, Vitamin B-2 (Riboflavin) 100 mg, Energy Production*…

Lab-verified brand at $0.001 per serving.

$0.06

$0.001/serving

Get deal

Full ranking by cost per dose

Cost-per-serving normalizes price across bottle sizes — a 60-count and a 365-count compare fairly. Top 20 of 37 shown.

#	Product	Form · dose	Servings	Price	$ / serving
1	Micro Ingredients Riboflavin Vitamin B2	tablet · 400mg	240	$0.07	<$0.001
2	DEAL SUPPLEMENT Vitamin B2 400mg (Riboflavin) \|…	capsule · 400mg	240	$0.07	<$0.001
3	Nutricost Vitamin B2 (Riboflavin) 100mg	capsule · 100mg	120	$0.07	$0.001
4	Nature's Bounty Vitamin B	tablet · 100mg	100	$0.06	$0.001
5	NOW Supplements, Vitamin B-2 (Riboflavin) 100 mg, Energy…	capsule · 100mg	100	$0.06	$0.001
6	Nature's Way Riboflavin Vitamin B2	capsule · 100mg	100	$0.08	$0.001
7	Source Naturals, Vitamin B-2, 100 mg, 250 Tabs	tablet · 100mg	250	$15.75	$0.06
8	Now Foods, Vitamin B-2, 100 Mg, 100 Veg Caps	capsule · 100mg	100	$6.45	$0.06
9	Solgar Vitamin B2 (Riboflavin) 100mg	capsule · 100mg	100	$6.73	$0.07
10	Source Naturals, Vitamin B-2, 100 mg, 100 Tabs	tablet · 100mg	100	$6.83	$0.07
11	Sundance, Vitamin B-2, 100 Mg, 100 Tablets	tablet · 100mg	100	$7.04	$0.07
12	Nature's Blend, Vitamin B-2, 25 mg, 100 Tabs	tablet · 25mg	100	$7.48	$0.07
13	Nutricost Vitamin B2 (Riboflavin) 400mg	capsule · 400mg	120	$9.49	$0.08
14	Healthfare Vitamin B2 Riboflavin 400mg \| 180 Vegan…	capsule · 400mg	180	$14.41	$0.08
15	Windmill Health, Vitamin B2, 50 Mg, 100 Tabs	tablet · 50mg	100	$8.28	$0.08
16	NatureBell Vitamin B2 (Riboflavin) 400mg - 240 Capsules…	capsule · 400mg	240	$19.99	$0.08
17	Windmill Health, Vitamin B2 Vitamins & Minerals, 100 Mg…	tablet · 100mg	100	$9.78	$0.10
18	Solgar, Vitamin B2 Riboflavin, 100 Mg, 100 Veg Caps	capsule · 100mg	100	$10.49	$0.10
19	Vitamin B2 Gummies Riboflavin 400mg Supplement…	gummy · 400mg	2	$0.21	$0.11
20	Nature's Blend, Vitamin B2, 100 Mg, 100 Tabs	tablet · 100mg	100	$10.50	$0.11

Frequently asked

What is the best-value Vitamin B2 supplement?+

Micro Ingredients Riboflavin Vitamin B2 — <$0.001 per serving ($0.07 for 240 servings), the lowest cost-per-dose vitamin b2 in our Amazon US catalog as of June 2026.

What is the typical cost per dose for Vitamin B2?+

About $0.11 per serving across 37 tracked vitamin b2 products, ranging from $0.07 for the best deals to $0.16 for premium options.