Heads up, friends: this post has affiliate links, and if you shop with my code/link I may earn a little something at no extra cost to you. I only ever share what I genuinely love. 💛
âš¡ Short on time? My pick is Celsius for clean, sugar-free workout energy. Shop Celsius →
Hey friends, it's Lizzie! Celsius and Alani Nu are the two energy drinks women keep asking me to compare — both sugar-free, both fitness-friendly. Here's my honest take after drinking both.
The quick verdict
They're more alike than different: both are sugar-free with about 200mg of caffeine per can. Celsius leans into the fitness/pre-workout angle and is marketed around energy for training. Alani Nu leans into fun, trendy flavors and a big following. Honestly? It mostly comes down to flavor preference and vibe — you can't really go wrong.
Celsius vs Alani Nu: the numbers
| Celsius | Alani Nu | |
|---|---|---|
| Serving | 1 can (12 fl oz) | 1 can (12 fl oz) |
| Calories | 10 | 10 |
| Caffeine | 200mg | 200mg |
| Total sugars | Not listed — label states it is not a significant source | 0g |
| Sodium | 5mg | 180mg |
| Sweetened with | Sucralose | Sucralose & acesulfame potassium |
Per 12 fl oz can, from each brand’s own published nutrition panel — Celsius Sparkling Wild Berry and Alani Nu Juicy Peach, checked July 2026. Both brands’ panels vary by flavor.
Caffeine
Both sit around 200mg per can — roughly two cups of coffee, so a real dose. If you're caffeine-sensitive, treat either as a once-a-day-max and don't stack it with coffee or pre-workout. Neither is “lighter” than the other in any meaningful way here.
Flavors & taste
This is where people pick sides. Alani Nu is famous for its fun, dessert-y, trendy flavors. Celsius has a big range too, including sparkling and lots of fruit options. I like Celsius before workouts and Alani Nu as more of a fun sip — but your taste buds will decide this one.
Who each is for
- Choose Celsius if you want a fitness-focused, sparkling energy option for workouts (my pick for training).
- Choose Alani Nu if you're all about the fun flavors and the aesthetic.
How to enjoy energy drinks smartly
Since both Celsius and Alani Nu carry a real ~200mg caffeine punch, a few habits keep them a net positive: treat either as a once-a-day maximum, don't stack it with coffee or a caffeinated pre-workout on the same day, drink plenty of water alongside it (caffeine is mildly dehydrating), and have it earlier in the day so it doesn't sabotage your sleep. And never use one to paper over genuine exhaustion — sometimes your body needs rest, not more caffeine.
The bottom line
You really can't go wrong here — both are sugar-free, both deliver clean energy, and the “winner” comes down to flavor and vibe. I keep Celsius around for workout energy, but if Alani Nu's flavors are what get you excited, that's the right one for you. Respect the caffeine, stay hydrated, and enjoy. âš¡
âš¡ My pick: Celsius
Clean, sugar-free energy I actually reach for before workouts and afternoon slumps. Shop through my link.
My honest take
For workout energy, Celsius is my go-to — but both are solid sugar-free options, and the real winner is whichever flavor you love enough to actually enjoy. Just respect the caffeine either way. Here's my full Celsius review if you want more.
Frequently asked
Do Celsius and Alani Nu have the same caffeine? Roughly yes — both are around 200mg per can.
Which is healthier? They're very similar — both sugar-free; it comes down to flavor and how you tolerate caffeine.
Which is better before a workout? Celsius is marketed for fitness/energy, so it's my pre-workout pick.
💛 More from How To Live 30
