KEY Ketone Energy Drink - Sugar Free, 80mg Low Caffeine, All Natural, 11.5g Ketones, Long Lasting Energy, Green Tea & L-Theanine for Mental Focus, Pineapple Passionfruit (Pack of 12)

I love KEY it gives me a clean, sustained energy boost thanks to the 11.5 g of ketones. I’ve started using it in place of my morning coffee, and I feel focused and steady at work instead of jittery. Other days, I’ll grab a can before a workout, and it helps me push through without feeling wired. Because KEY has only 80 mg of caffeine (from green tea), I never get the typical crash or anxious spike. And with zero sugar, thankfully there’s no sugar crash either. Having tried other energy drinks, KEY feels totally different. It’s still strong, but my energy feels better because of the ketones. I highly recommend it for anyone who wants smooth, lasting energy without the highs and lows.

I had a really great experience with KEY!!! The flavor was super fruity and fresh without being overly sweet, which I loved right away. Especially for a 9am yoga sculpt class when you dont want to have a whole 200mg energy drink and others can become to overpowering. I also appreciate that it only has 80 mg of caffeine because it gave me a smooth, noticeable energy boost without the jitters or crash I sometimes get from coffee or other energy drinks. The ketones made a big difference for me, especially with mental focus and workouts. It helped me feel more clear, motivated, and steady throughout the day. I’ve even started using it as a replacement for my morning or afternoon coffee since the energy feels much more sustained and clean, and the fact that there’s no sugar is a huge plus. Compared to other energy drinks, KEY just feels lighter and more balanced while still being effective, so it’s definitely a 5-star experience for me.

I was excited for these flavors- ginger-lime, pineapple-passionfruit, and Grapefruit-peach, but they just taste like stevia. They tatse so bad I can't even finish a can. i was hoping at least one flavor would be good, but they all taste so much like stevia I can't even tell them apart! I hate to waste, but I will be throwing these out. Will not be buying again.

I’ve been loving KEY Ketone Drink as part of my daily routine. What I really appreciate is that I can replace my morning or afternoon coffee with KEY and still feel energized and mentally sharp. This energy drink feels smooth and sustained, not overwhelming, and I don’t experience any jitters or crash afterward. Since it’s low caffeine from green tea and completely sugar-free, it feels much better than traditional energy drinks. As someone who’s tried other energy drinks before, KEY definitely stands out. It doesn’t leave me feeling shaky or drained later in the day, just steady energy and better mental focus to get through work, workouts, and busy days. The Pineapple Passionfruit flavor is light, refreshing, and easy to drink. Highly recommend if you’re looking for clean energy without the downsides.

I rarely write reviews. My boyfriend and I have had Key for the last week or so, and I'm kinda blown away. What did it for me was when I was working last Saturday. After a shift in 90+ degree heat + humidity, I had a can of Key around 4pm because it was my friend's last night in town and a group of us were all going out; I wanted to be there for her and didn't want to be yawning all night. I was dancing until 3am and had so much fun. No yawns, no crashes, no stomachaches, no jitters. Literally just the energy to have a fun night with my friends. AND I had no issue sleeping that night (probably because of the L-theanine which promotes relaxation!). I also love that Key is vegan, and the ingredient list is short, clean and all-natural. I usually drink Key straight out of the fridge, it tastes much better cold than at room temperature (ketones don't have the best taste, but they did a great job at covering it up). Ginger Lime is my favourite, Pineapple Passionfruit is a close second. My boyfriend likes pineapple passionfruit the best. Vodka Redbulls are gross (IMO) but would totally mix the ginger lime flavour with vodka for a makeshift Moscow mule. I'm generally pretty health-conscious and love nutritional science. Coffee makes me insanely jittery (even just half a cup) and Celcius makes my stomach hurt (probably from artificial ingredients, couldn't finish a whole can). I would never have either of those on an empty stomach as well, but usually have Key on an empty stomach, I also feel its effects a bit more when I do. I used to consistently have matcha + raw cacao in the mornings for the L-theanine + low-caffeine combo to put me in a focused, flow state for the day; particularly useful for studying/working. Because Key also has L-theanine and caffeine (both derived from green tea), it gives me a similar effect to get work done, but also gives me longer-lasting energy from the ketones (which also gives me a bit of a euphoric/happy feeling?? My boyfriend reported also being in a great mood after drinking a whole can too. A quick Google search has shown me that this is commonly reported with people in ketosis/on the keto diet as well.) Now, I alternate between my DIY drink and Key depending on whether I need sustained energy that day or not. If you're a nerd like me, check out these two papers about L-theanine + caffeine to see how this combination can enhance focus and attention (and it's even been suggested as an Adderall alternative too): [1] The Cognitive-Enhancing Outcomes of Caffeine and L-theanine: A Systematic Review (2021) [2] Effects of L-theanine-caffeine combination on sustained attention and inhibitory control among children with ADHD: a proof-of-concept neuroimaging RCT (2020) Finally, I also like how I am supporting mitochondria uncoupling with ketones (read Dr. Gundry for more) and love that the benefits of ketone drinks that used to only be available to support athletes and members of the military are now available for everyone to reap. Cannot recommend Key enough, I'll rave about it to whoever will listen.