If you’re watching your carbs but still need a boost to power through your day, you’re not alone. Whether you’re hitting the gym, working long shifts, or cutting back on sugar, finding a low-carb energy drink that delivers clean energy without the crash can be tough. The good news? More brands are offering keto-friendly energy drinks and low-sugar options that taste great and actually work. In this guide, we’ve reviewed top picks like Celsius Live Fit Sparkling and Reign Total Body Fuel, breaking down what makes them stand out in a crowded market. 

Top 10 low‑carb energy drinks you need to try

1. Guru Organic Energy Drink | Best overall

What we love	Things to consider
– Organic – Zero sugar, low-calorie – Uses green tea and guarana caffeine	– Lower caffeine means less punch on long shifts

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 45 mg

Made with organic black tea extract, herb-based ingredients, and sweetened with stevia, Guru offers a low-carb energy drink with a great balance of healthy nutrients. Users report a “smooth herbal flavor” and steady energy without jitters. It’s a top choice for those who prefer clean energy drinks without the major caloric intake.

2. Red Bull Sugar‑Free

What we love	Things to consider
– 80 mg of caffeine per 8.4 oz can – B vitamins, taurine, and natural caffeine from green tea – Mimics the classic Red Bull flavor	– Uses artificial sweeteners like sucralose and acesulfame potassium

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 80 mg

This classic redbull sugar-free energy drink fits the low-carb lifestyle. Users generally enjoy the redbull taste and the energy it gives. It also includes B vitamins and taurine to support the nervous system and focus. As one fan shared, “sweetened with monk fruit and other sweeteners” keeps it light without a heavy aftertaste.

3. Celsius Energy Drink

What we love	Things to consider
– 200 mg natural caffeine – Contains B vitamins, chromium, and vitamin C – Clean formula and no high‑fructose corn syrup	– The amount of caffeine is equivalent to two cups of coffee which is high for some people – Some flavors use sucralose

• Calories: 10 | Fat: 0 | Carbs: 2 | Protein: 0 | Sodium: 5 mg

Formulated for the low-carb energy crowd, Celsius offers sustained energy with 6 g of net carbs per serving. Users note its “refreshing lime” taste without feeling overwhelmed by a sugary taste. The blend of B vitamins, chromium, and green tea supports metabolism alongside caffeine. It’s often featured in Variety Pack cases, giving people several flavor options.

4. Ghost Energy Drink

What we love	Things to consider
– Zero sugar content, zero carbs, zero calories – 200 mg caffeine per can – Flavored with natural and artificial flavors, including citric acid	– Contains sucralose and acesulfame potassium – Don’t stack with coffee or Hour Energy shots

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 150 mg

Ghost’s low-carb energy drink is popular among workers for its bold tart-sweet combo and neon branding. Cherry Limeade has comments calling it “like soda without the sugar crash.” The inclusion of taurine and B vitamins aids focus. With zero net carbs, it fits keto dieters. It’s a great choice if you want more flavor combinations with your energy drinks.

5. LMNT Zero‑Sugar Electrolytes

What we love	Things to consider
– 1,000 mg sodium and 200 mg potassium per serving – Keto-friendly and supports hydration	– Not caffeinated on its own – Pair with coffee or tea for a stimulant effect – High sodium may not suit those watching their blood pressure

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 1000 mg

LMNT is a hydration powerhouse, ideal for people sweating through long shifts. Its precise electrolytes reduce fatigue and muscle cramps. The powder form makes it easy to lug around, whether its in a bag or a purse. The natural flavors give a refreshing taste when mixed with water. Overall, this is a great option for low-carb energy drinks without caffeine.

6. EHP Labs OxyShred Ultra Energy

What we love	Things to consider
– Contains 144 mg caffeine, taurine, tyrosine, L-carnitine, and green tea extract – Includes B vitamins	– Some users report jitter effects if stacked

• Calories: 10 | Fat: 0 | Carbs: 1 | Protein: 0 | Sodium: 60 mg

OxyShred low-carb energy drink blends nootropic focus support with fat metabolism compounds. This unique combination is great for anyone looking to boost energy while also trying to slim down. Many users love the flavors from this brand and the caffeine amount isn’t as overwhelming as other energy drinks.

7. Alani Nu Energy Drink

What we love	Things to consider
– 200 mg caffeine – 13 B vitamins, taurine, and coconut water powder for hydration	– Sweetened with sucralose

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 180 mg

Alani Nu’s energy drink offers a smooth and fruity energy experience. The inclusion of coconut water powder adds electrolytes that bring an added bonus to the energy boost. Reviews often mention sustained energy and fresh taste without a crash. It’s a great option for anyone looking to have a burst of flavor with zero calories.

8. 3D Energy Drink

What we love	Things to consider
– 500 ml can with 200 mg caffeine – Contains B vitamins, Taurine, L-carnitine	– Large serving size – Taste may be too strong for some

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 210 mg

Endorsed by fitness influencer Christian Guzman, 3D offers a strong energy hit. Reviews note energizing focus and no sugar crash. Ideal for early mornings or after gym shifts. The taurine-L-carnitine combo supports muscle recovery and mental clarity, just what you would expect from a fitness influencer energy drink.

9. NOCCO Energy Drink

What we love	Things to consider
– Contains branched-chain amino acids – Contains B3,B6, and B12	– Contains artificial sweetener sucralose

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 100 mg

NOCCO energy drink contains BCAAs, which help muscle recovery after physical work. Users note clean carbonation and mild taste. With added vitamins to fight fatigue, its a popular option for people that have physically intesive jobs.

10. Bang Energy Drink

What we love	Things to consider
– 300 mg caffeine per can – Includes CoQ10 and electrolytes	– Has the most caffeine among products – May raise heart rate and blood pressure

• Calories: 0 | Fat: 0 | Carbs: 0 | Protein: 0 | Sodium: 200 mg

Bang is a popular energy drink known for their bold tropical and candy flavors. Caffeine is very high in this drink making it ideal for people used to high caffeine intake. Electrolytes are also added in to help with hydration in hot conditions. While this energy drink packs a punch we recommend starting slow with this energy drink unless you’re used to drinking several cups of coffee a day.

What to consider before buying low‑carb energy drinks

• Caffeine amount per can: Check mg of caffeine to stay under safety limits (FDA recommends ≤400 mg/day). Tradespeople often drink coffee too—stacking multiple sources can spike blood pressure and heart rate.
• Sweetener type: Avoid added sugar. Artificial sweeteners like sucralose, aspartame, or monk fruit reduce carbs but can affect the gut microbiome or raise insulin for some.
• Total zero vs net carbs: True keto-friendly drinks contain zero or close to zero net carbs. Always scan Nutrition Facts for grams of carbs and sugar alcohols.
• Electrolyte content: Work sites and summer shifts cause heavy sweating. Drinks with sodium, potassium, and magnesium (like LMNT or Celsius) support hydration and reduce cramping.
• B vitamins and extras: B12, taurine, CoQ10, and green tea extract can support energy metabolism. Look for labels that list amounts so you know what benefit they deliver.
• Serving size matters: Cans vary from 8 oz to 16 oz. Larger oz cans contain more caffeine—interpret nutrition facts carefully.
• Ingredient transparency: Brands that list sources (e.g., green tea caffeine, MCT oil, natural flavors) show attention to health. Unknown chemical names may indicate artificial additives and citric acid stabilizers.
• Free shipping and value: Product bundles, variety packs, and free shipping can cut costs, especially when buying in bulk for crews on site.

Bottom line

Low-carb energy drinks are a smart option for anyone living a keto lifestyle or watching their carb intake. Popular energy drinks like Bang Energy and Red Bull Sugarfree offer a strong caffeine boost without the sugar crash linked to sugary drinks. These options often contain Vitamin B12 and ingredients like sodium citrate, sorbic acid, or benzoic acid that help maintain shelf life without affecting blood sugar levels. Choosing keto drinks instead of alcoholic beverages, diet soda, or sports drinks can support better heart health, manage sugar cravings, and improve energy levels.

Curious how these compare to coffee or no-bake bars? Check out our guides on energy drinks vs coffee for energy, no-bake energy bars, and our favorite energy balls and bites. 

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