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Cheapest Isomalto-Oligosaccharide on iHerb

Ranked by real cost per 100 mg of Isomalto-Oligosaccharide — cheapest value first.

Prices updated Jul 25, 2026 · 12 products · Prices in USD

The priciest option here costs about 4,031.5× more per 100 mg of Isomalto-Oligosaccharide than the best-value pick ONE OF ONE. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 100 mg
1
ONE OF ONE, Greens + Gut Health, Pineapple, 12.7 oz (360 g)
ONE OF ONE, Greens + Gut Health, Pineapple, 12.7 oz (360 g)
ONE OF ONE
3,000 mg3044.990.050View on iHerb →
2
ONE OF ONE, Greens + Gut Health, Mixed Berry , 12.7 oz (360 g)
ONE OF ONE, Greens + Gut Health, Mixed Berry , 12.7 oz (360 g)
ONE OF ONE
3,000 mg3044.990.050View on iHerb →
3
ONE OF ONE, Greens + Gut Health, Lemon Iced Tea, 12.7 oz (360 g)
ONE OF ONE, Greens + Gut Health, Lemon Iced Tea, 12.7 oz (360 g)
ONE OF ONE
3,000 mg3044.990.050View on iHerb →
4
Arthur Andrew Medical, Syntol AMD®, 360 Capsules
Arthur Andrew Medical, Syntol AMD®, 360 Capsules
Arthur Andrew Medical
600 mg90129.990.241View on iHerb →
5
Arthur Andrew Medical, Syntol AMD®, Advanced Microflora Delivery, 180 Capsules
Arthur Andrew Medical, Syntol AMD®, Advanced Microflora Delivery, 180 Capsules
Arthur Andrew Medical
600 mg4569.990.259View on iHerb →
6
Arthur Andrew Medical, Syntol AMD®, Advanced Microflora Delivery, 90 Capsules
Arthur Andrew Medical, Syntol AMD®, Advanced Microflora Delivery, 90 Capsules
Arthur Andrew Medical
600 mg2239.990.303View on iHerb →
7
Metagenics, UltraGI Replenish®, Vanilla, 46.03 oz (1,305 g)
Metagenics, UltraGI Replenish®, Vanilla, 46.03 oz (1,305 g)
Metagenics
5 g30122.9581.97View on iHerb →
8
Metagenics, UltraGI Replenish®, Chocolate, 47.62 oz (1,350 g)
Metagenics, UltraGI Replenish®, Chocolate, 47.62 oz (1,350 g)
Metagenics
5 g30122.9581.97View on iHerb →
9
Real Ketones, Elevate, BHB 5000, Neutral, 7.3 oz (207 g)
Real Ketones, Elevate, BHB 5000, Neutral, 7.3 oz (207 g)
Real Ketones
2 g3039.9983.31View on iHerb →
10
Metagenics, UltraGI Replenish, Chocolate, 22.22 oz (630 g)
Metagenics, UltraGI Replenish, Chocolate, 22.22 oz (630 g)
Metagenics
5 g1485.95122.79View on iHerb →
11
Metagenics, UltraGI Replenish, Vanilla, 21.48 oz (609 g)
Metagenics, UltraGI Replenish, Vanilla, 21.48 oz (609 g)
Metagenics
5 g1485.95122.79View on iHerb →
12
Metagenics, GI Sustain™, 24.2 oz (686 g)
Metagenics, GI Sustain™, 24.2 oz (686 g)
Metagenics
3 g1495.95201.58View on iHerb →

How we rank Isomalto-Oligosaccharide

Two supplements can list the same dose per serving yet cost very differently once you account for how many servings are in the bottle. We calculate the total nutrient in each container (dose per serving × servings per container), divide the current price by that total, and rank by the resulting cost per unit. Lower is better. Because prices are refreshed automatically, this ranking reflects today's iHerb pricing rather than a snapshot from months ago.

Cost per unit is a starting point, not the whole story — the ideal form, third-party testing, and other ingredients matter too. Always check the label and consult a healthcare professional before starting a supplement.

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Prices update automatically and may differ from iHerb at checkout. Rankings are based on cost per unit of the listed nutrient and are for informational purposes only — not medical advice. Links to iHerb are affiliate links.