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Cheapest Organic Caffeine on iHerb

Ranked by real cost per 100 mg of Organic Caffeine — cheapest value first.

Prices updated Jul 25, 2026 · 17 products · Prices in USD

The priciest option here costs about 59.5× more per 100 mg of Organic Caffeine than the best-value pick Kaged. 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
Kaged, Caffeine, 100 mg, 100 Veggie Capsules
Kaged, Caffeine, 100 mg, 100 Veggie Capsules
Kaged
200 mg10016.790.084View on iHerb →
2
PrePrimal, Pre-Workout, Tropical Rain, 15.96 oz (447 g)
PrePrimal, Pre-Workout, Tropical Rain, 15.96 oz (447 g)
PrePrimal
300 mg3031.950.355View on iHerb →
3
Sports Research, L-Theanine & Caffeine, 2-in-1 Formula, 60 Softgels
Sports Research, L-Theanine & Caffeine, 2-in-1 Formula, 60 Softgels
Sports Research
100 mg6022.970.383View on iHerb →
4
PrePrimal, Pre-Workout, Jungle Juice, 15.86 oz (444 g)
PrePrimal, Pre-Workout, Jungle Juice, 15.86 oz (444 g)
PrePrimal
300 mg3043.200.480View on iHerb →
5
PrePrimal, Pre-Workout, Primate Punch, 15.98 oz (453 g)
PrePrimal, Pre-Workout, Primate Punch, 15.98 oz (453 g)
PrePrimal
300 mg3043.200.480View on iHerb →
6
PrePrimal, Purge, Xtreme Pre-Workout, POG (Pineapple, Orange, Guava), 12.93 oz (362 g)
PrePrimal, Purge, Xtreme Pre-Workout, POG (Pineapple, Orange, Guava), 12.93 oz (362 g)
PrePrimal
300 mg2043.200.720View on iHerb →
7
ONE OF ONE, Loaded Pre-Workout, Pink Burst, 18.88 oz (535 g)
ONE OF ONE, Loaded Pre-Workout, Pink Burst, 18.88 oz (535 g)
ONE OF ONE
316 mg2049.990.791View on iHerb →
8
ONE OF ONE, Loaded Pre-Workout, Sour Green Apple, 18.88 oz (535 g)
ONE OF ONE, Loaded Pre-Workout, Sour Green Apple, 18.88 oz (535 g)
ONE OF ONE
316 mg2049.990.791View on iHerb →
9
ONE OF ONE, Loaded Pre-Workout, Snowcone, 18.88 oz (535 g)
ONE OF ONE, Loaded Pre-Workout, Snowcone, 18.88 oz (535 g)
ONE OF ONE
316 mg2049.990.791View on iHerb →
10
Kaged, Pre-Workout, Crisp Apple, 1.24 lb (564 g)
Kaged, Pre-Workout, Crisp Apple, 1.24 lb (564 g)
Kaged
274 mg2044.990.821View on iHerb →
11
Kaged, Pre-Workout, Orange Crush, 1.24 lb (562 g)
Kaged, Pre-Workout, Orange Crush, 1.24 lb (562 g)
Kaged
274 mg2044.990.821View on iHerb →
12
Kaged, Pre-Workout, Berry Blast, 1.25 lb (570 g)
Kaged, Pre-Workout, Berry Blast, 1.25 lb (570 g)
Kaged
274 mg2044.990.821View on iHerb →
13
TypeZero, Clean Pre Workout, Fruit Punch, 11.3 oz (319 g)
TypeZero, Clean Pre Workout, Fruit Punch, 11.3 oz (319 g)
TypeZero
200 mg2135.950.856View on iHerb →
14
Ora, Renewable Energy Plus, Performance Pre-Workout, Watermelon, 7.1 oz (200 g)
Ora, Renewable Energy Plus, Performance Pre-Workout, Watermelon, 7.1 oz (200 g)
Ora
180 mg2039.991.11View on iHerb →
15
TransformHQ, Boost Shot™, Energy Drink Mix, Tropical Whip, 4.4 oz (126 g)
TransformHQ, Boost Shot™, Energy Drink Mix, Tropical Whip, 4.4 oz (126 g)
TransformHQ
80 mg2829.991.34View on iHerb →
16
TransformHQ, Boost Shot™, Energy Drink Mix, Blue Raspberry, 5 oz (140 g)
TransformHQ, Boost Shot™, Energy Drink Mix, Blue Raspberry, 5 oz (140 g)
TransformHQ
80 mg2829.991.34View on iHerb →
17
HealthyCell, Focus & Recall, Peach Pineapple, 30 Gel Packs, 0.84 fl oz (25 ml) Each
HealthyCell, Focus & Recall, Peach Pineapple, 30 Gel Packs, 0.84 fl oz (25 ml) Each
HealthyCell
40 mg3059.955.00View on iHerb →

How we rank Organic Caffeine

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.