Genius Caffeine - Sustained-Release Microencapsulated Caffeine Pills for Smooth, Long-Lasting Energy & Focus - No Jitters or Crash - 100mg per Capsule - 100 Servings - Natural Performance Booster

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Has no effect

The sustained caffeine pills do not work at all!

As someone who can't stay awake at times and need caffeine in my system without drinking coffee or any drinks that can upset my stomach easily, this pill is a great alternative! I don't suffer from any side effects I usually do with drinking coffee and it keeps me energized for a long period of time. Totally worth it!

It’s very expensive. I took 3 a day and was still tired. I get about 6-7 hours sleep at night.

I don’t know what else to say other than the product works as advertised! No sudden jolt of energy, no significant crash, just a few hours of boosted energy. I mainly really like this product because it gives me the same caffeine boost I would normally get from an energy drink, but this is a fraction of the price compared to the number of drinks you’d have to buy to get the same amount of caffeine. It also allows me to drink water instead of an energy drink and saves on calories and sugar.

My husband isn’t a coffee drinker but wants the pick-up of caffeine to start his day. He’s tried many drinks & pills before finding this one. The drinks were either sugar laden or contained unhealthy artificial sweeteners that he didn’t want. He’s LOVES this brand. The caffeine is time-released- a huge advantage, My husband isn’t a coffee drinker but still appreciates a morning boost of energy. Over the years, he’s tried countless caffeine drinks and pills, but most were loaded with sugar, artificial sweeteners, or caused unpleasant side effects. Then he found this product—and it’s been a complete game changer. The time-released caffeine is its standout feature. It provides a smooth, steady lift with no jittery spike or mid-morning crash. Because the release is gradual, it’s also easy on the stomach—no discomfort at all. The convenience and consistency make it an effortless part of his routine. He’s been using this brand for several years now and has no interest in switching to anything else. It truly delivers clean, reliable energy without compromise.

Really good product; it works as described. I can't drink coffee, so these pills gave me energy.

serious facial swelling from this product very sick for two days