Free shipping over $14.90
Standard delivery costs $4.90.
Delivery within 1–3 business days
EFFERVESCENT TABLETS FOR DAILY ENERGY
Drop the slumps and power through your day with our refreshing caffeine effervescent tablets. Engineered for instant energy, sharp focus, and zero crash.
CHERRY
20 drinks/tube
PEACH
20 drinks/tube
BLUE RASPBERRY
20 drinks/tube
NEW
STRAWBERRY LEMONADE
20 drinks/tube
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🎁
🎁
Low Stock
High Demand
50-Day Unconditional Guarantee — Love the taste and energy, or get a full refund. Zero risk, zero hassle.
Read terms
Guarantee Terms & Conditions:
- A maximum of 3 tablets consumed per flavor tube to remain eligible for return.
- Customer is responsible for paying return shipping costs.
- Original delivery fees are non-refundable.
Each tablet contains 160mg of caffeine—equivalent to roughly two cups of coffee or one large energy drink can. It's paired with L-theanine for smooth, jitter-free energy.
| Caffeine | 160 mg |
| L-Theanine | 100 mg |
| Calories | 7 kcal |
| Sugar | 0 g |
| Vitamin B6 / B12 | 100% NRV |
| Caffeine | 160 mg |
| L-Theanine | 100 mg |
| Calories | 7 kcal |
| Sugar | 0 g |
| Vitamin B6 / B12 | 100% NRV |
| Caffeine | 160 mg |
| L-Theanine | 100 mg |
| Calories | 7 kcal |
| Sugar | 0 g |
| Vitamin B6 / B12 | 100% NRV |
| Caffeine | 160 mg |
| L-Theanine | 100 mg |
| Calories | 7 kcal |
| Sugar | 0 g |
| Vitamin B6 / B12 | 100% NRV |
We offer a risk-free 50-day satisfaction guarantee. If you aren't completely satisfied with your order, simply reach out to our support team for a full refund.
THE POWER INSIDE BUUST
A clean, functional matrix designed for sustained performance—per tablet
CLEAN CAFFEINE (160 MG)
Roughly equivalent to a double shot of espresso. Sourced cleanly to deliver an immediate, jitter-free kickstart when you need to lock in.
L-THEANINE (160 MG)
A powerful amino acid naturally derived from green tea leaves. It harmonizes with caffeine to smooth out energy spikes and sharpen mental clarity.
VITAMIN B6
Crucial for fueling daily metabolic output while keeping mental fatigue and exhaustion strictly out of the picture.
VITAMIN B12
Fosters proper neurological health and red blood cell production, ensuring your system runs at peak capacity all day long.
VITAMIN C
Fortifies immune defenses and acts as cellular armor against oxidative stress during heavy physical and mental exertion.
NIACIN (B3)
Optimizes nervous system functions and empowers your body to efficiently convert everyday nutrients into raw fuel.
HOW TO DRINK BUUST
Three easy steps to a refreshing energy drink without cans or coffee.
1. CHOOSE FROM 5 DELICIOUS FLAVORS
Pick a Buust flavor to match your mood, from fruity and refreshing to powerfully energizing.
2. ADD WATER
Drop one tablet into 250–450 ml of cold water and let it fizz until fully dissolved.
3. ENJOY!
Mix or shake, take a sip, and feel the difference with Buust.
160mg Caffeine
Zero Sugar
160mg L-Theanine
4 Vitamins
Serving $0.60
BUUST STANDARD
VERIFIED EXCELLENCE
European Production
Crafted strictly inside the EU
ISO 22000 Certified
Top-tier safety compliance
100% Vegan
Plant-powered formulations
Clean & Pure
GMO, lactose & gluten-free
WHAT OUR CUSTOMERS SAY
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Trustpilot
No more afternoon crash ✓ Verified
The L-theanine combo is a game-changer. Smooth focus all day without the jittery feeling energy drinks give.
Peach flavor is 10/10 ✓ Verified
Taste is super refreshing and not overly sweet. Doesn't leave a weird artificial aftertaste.
Saves so much money ✓ Verified
I used to buy a $3 energy drink every single day. One tube replaces 20 cans for a fraction of the cost.
Fits in my gym bag ✓ Verified
Super easy to carry around. Just drop a tablet in my water bottle before workout and I'm good to go.
Zero sugar, pure focus ✓ Verified
Hard to find good energy supplements without sugar. BUUST gives instant energy without breaking my fasting.
Strawberry Lemonade is 🔥 ✓ Verified
Ordered the bundle and this is by far my favorite flavor. Instant boost during long workdays.
Bye bye aluminum cans ✓ Verified
Love the eco-friendly aspect! One small tube replaces a massive pile of trash in my kitchen.
Perfect for studying ✓ Verified
Helps me stay locked in during exam weeks without getting heart palpitations. Will definitely reorder.
Super fast shipping ✓ Verified
Arrived in 3 days. Well packed and the tablets dissolve really fast in cold water.
Blue Raspberry rocks ✓ Verified
Great substitute for coffee in the morning. Feels clean and gives sharp mental clarity.
GOT QUESTIONS?
WE'VE GOT ANSWERS.
We've put together answers to the most common questions regarding ingredients, effects, and delivery. If you can't find what you're looking for, hit us up via live chat or email.
Buust is an advanced, clean energy and focus solution delivered via effervescent tablets designed to give you smooth, sustained performance without the jitters.
Simply drop one tablet into a glass or shaker of cold water, let it fully dissolve, and enjoy your clean energy drink whenever you need a boost.
Each tablet contains 160 mg of clean caffeine, which is roughly equivalent to a double shot of espresso, paired with L-Theanine for balanced focus.
Buust is virtually calorie-free, making it a clean addition to your daily routine without unwanted sugars or extra carbs.
No, Buust is 100% sugar-free, relying on clean active ingredients to deliver taste and performance.
Orders are typically processed within 24 hours and delivered within 2–4 business days depending on your location.
Yes, our shaker bottles are top-rack dishwasher safe, though hand washing helps maintain the print quality longer.