Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best caffeine supplements of 2026
Save up to 17% off
Best Choice1
Sports Research9.8Exceptional
Sports Research® L-Theanine + Caffeine Nootropic Supplement - 60 Softgels
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is discontinued by manufacturer:No
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product dimensions:2.13 x 2.13 x 4 inches 3.53 ounces
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country of origin:USA
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asin:B07MQWJYJ3
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date first available:January 14, 2019
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Thousands of users trust our site daily- Based on millions of stores and reviews
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Value for Money2
The Genius Brand9.7Exceptional
The Genius Brand Caffeine Sustained-Release, 100mg, 100 Servings
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is discontinued by manufacturer:No
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product dimensions:3 x 3 x 4 inches 1.6 ounces
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country of origin:USA
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asin:B01IRFX4NY
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date first available:July 23, 2016
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3
Nutricost9.6Exceptional
Nutricost Caffeine Pills, 200mg Per Serving (500 Caps)
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is discontinued by manufacturer:No
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product dimensions:2.76 x 2.76 x 5.12 inches 10.55 ounces
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country of origin:N/A
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asin:B01DFQSVK6
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date first available:March 25, 2016
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4
Nutricost9.5Excellent
Nutricost Caffeine with L-Theanine, 100mg of Each, 240 Capsules
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is discontinued by manufacturer:N/A
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product dimensions:3 x 3 x 5.5 inches 6.38 ounces
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country of origin:N/A
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asin:B08YJ9QHG2
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date first available:March 9, 2021
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5
Nutricost9.4Excellent
Nutricost Caffeine Pills 100mg Per Serving, 250 Capsules
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is discontinued by manufacturer:No
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product dimensions:N/A
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country of origin:N/A
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asin:B01MY5CW7S
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date first available:January 5, 2017
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6
SmarterVitamins9.3Excellent
Caffeine Pills 200mg with 100mg L-Theanine & Coconut MCT Oil, 50 Softgels
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is discontinued by manufacturer:No
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asin:B07FP4KS3R
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product dimensions:1 x 1 x 4 inches; 2.89 ounces
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date first available:July 18, 2018
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manufacturer:SmarterVitamins
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7
Want A Bump9.2Excellent
Beast Mind Extreme Energy Pills | 400mg Caffeine | 600mg Ashwagandha | 200mg Lions Mane | Increased Energy & Focus & Mood | Pre-Workout Supplement
17% Off-
is discontinued by manufacturer:N/A
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product dimensions:2 x 2 x 3.7 inches 4 ounces
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country of origin:N/A
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asin:B0CYV4LK4X
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date first available:March 20, 2024
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8
Nature's Truth9.0Excellent
Nature's Truth Caffeine Pills | 220mg | 120 Count | with Green Tea Extract
12% Off-
asin:B00XHKC2GK
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product dimensions:1.94 x 1.94 x 3.75 inches 1.76 ounces
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date first available:May 16, 2015
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item model number:B00XHKC2GK
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material feature:Compostable Warning
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9
Nutricost8.9Very Good
Nutricost Caffeine Pills, 200mg Per Serving (250 Caps)
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is discontinued by manufacturer:No
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product dimensions:2.5 x 2.5 x 4.75 inches 0.01 ounces
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country of origin:N/A
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asin:B01KKX0GXM
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date first available:August 17, 2016
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10
BulkSupplements8.8Very Good
BulkSupplements.com Caffeine 200mg Capsules - Supplement for Energy Boost, Caffeine Pills 200mg - Gluten Free, 1 Capsule per Serving, 500 Count (Pack of 1)
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is discontinued by manufacturer:N/A
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product dimensions:3 x 3 x 3 inches 5.61 ounces
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country of origin:N/A
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asin:B0CCFZQMF9
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date first available:July 20, 2023
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