Can supplements support mental sharpness and everyday performance?
If your goal is to feel more focused, more consistent, and more “on” from morning through your last meeting (or last set), the right basics can help support that routine—especially when they fit your day and your needs.
What “mental sharpness” usually comes down to
Most days, feeling sharp isn’t about a single moment of intensity—it’s about steady energy, clear focus, and less mental drag when your schedule stacks up.
Supplements can support that goal in a few practical ways:
- Helping your body handle daily stressors so you can stay composed and productive
- Supporting nutrient pathways tied to energy production (especially B vitamins)
- Providing a clean energy + focus option when you want a little extra push
At GNC, we like to keep it simple: start with the support that matches your day, then build from there.
A fast way to choose the right kind of support
If you’re deciding what belongs in your routine, think in lanes:
1) Stress support (for calmer focus) When your mind feels busy or tense, “sharp” often starts with feeling more balanced.
2) Daily energy metabolism (for consistent output) If you’re running on fumes, foundational nutrient support can matter more than another stimulant.
3) Energy + focus (for the days you need a lift) Best when you want a more noticeable push—especially earlier in the day.
GNC makes it easy to build a plan that supports your pace—without turning your routine into a full-time project.
When stress is the main blocker
If you can’t get your mind to settle, focus becomes a moving target. A stress-support option can be a smart first step for people who want to feel more even throughout the day.
Tip: Pair it with a consistent sleep/wake schedule and hydration for best routine-level results.
When you want steady, everyday performance
If your days are long and you’re trying to stay consistent, foundational nutrient support can be a solid “set it and forget it” move.
This is the kind of support many people look for when they want to feel:
- more reliable day-to-day
- less like they’re running on empty
- more dialed-in with normal routines
When you want a noticeable lift
Some formulas are designed for energy production and focus—useful when you want to feel more “switched on.” If you’re sensitive to caffeine, start slow and time it earlier in the day.
At GNC, we’re big on matching the product to the moment: daily consistency first, then performance boosters when they truly fit.
Looking for long-game support, too?
Some people prefer support that’s more about cellular energy and staying consistent over time than a quick boost. If that’s your lane, consider options designed around NAD+ support and everyday vitality.
Consistency matters here—think weeks, not hours.
BUM ENERGY - ENERGY DRINK: CREAM SODA - 12 CANS
Don't be a bum. Wake up early and chase greatness, but don't be caught complaining.
- Focus & Energy
- With Cognizin® - Nootropic
- 112mg Natural Caffeine
- 1 Bum ~ 12 oz Coffee†
- Low in calories
- Zero Sugar
- No Artificial Colors
†Average amount of caffeine in a 12oz brewed iced coffee per the USDA.
Recent Reviews
These are magical!
Great flavor. I can't stand 'diet drinks' somehow this doesn't taste diet. I don't know what magic they used to create these but I love them.
So Good!!
SO GOOD!!! This is my go to drink in the morning instead of coffee. It tastes just like root beer too!
best caffinated arnold palmer i've had
One of the best iced tea lemonade flavors i've had. Would definitely recommend if you are into arnold palmer
Yum
Just fire. Lower caffeine if I don't feel like drinking 300mg too.
True to taste
True to taste and nice to have a non carbonated option.
One of the best to taste thus far
very good energy drink thank you
Delicious
Phenomenon! The flavor is 10/10
Amazing!
It's amazing. Honestly. It's legit
So refreshing
Such a great summer flavor.
Bad taste
Best taste
Do it
Amazing taste and safe
Delicious!
Excellent flavor, Bum has become my go to energy drink for the 112mg of caffeine and Cognizen.
Bum rootbeer
Best flavor ever! Goes down so smooth! My go to every time!!
Not a fan
Not for me, it had low carbonation and an after taste that I don't enjoy. YMMV
Perfect. 10/10
Absolutely perfect! One of my favorite drinks of 2024!!
About Energy Drink - Root Beer - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Mar 6, 2026 It is a top tier energy drink Andrew M Verified Purchaser Mar 29, 2026 Was this helpful? 0 0 Flag Review by Andrew M has been flagged Flag
About Energy Drink - Dr. Bum - 12oz. (12 Cans) Rated 1 out of 5 Purchased on Jan 29, 2026 It was horrible all the cans were bent tasted weird and the employee at gnc I think he spit on my cases they were wet and looked like saliva or something creamy Andrew M Verified Purchaser Feb 20, 2026 Was this helpful? 3 2 Flag Review by Andrew M has been flagged Flag
About Energy Drink - Grape - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Jun 7, 2025 BUM drinks are simply, the best. CRAIG T Verified Purchaser Jun 29, 2025 Was this helpful? 0 0 Flag Review by CRAIG T has been flagged Flag
About Energy Drink - Blueberry Lemonade - 12oz. (12 Cans) Rated 5 out of 5 Purchased on May 14, 2025 Great flavor and doesn't give you jitters or crash after drinking LISA H Verified Purchaser Jun 5, 2025 Was this helpful? 0 0 Flag Review by LISA H has been flagged Flag
About Energy Drink - Orange Sunrise - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Feb 5, 2025 very tasty Alaina D Verified Purchaser Mar 6, 2025 Was this helpful? 0 0 Flag Review by Alaina D has been flagged Flag
About Energy Drink - Root Beer - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Nov 15, 2024 Love this stuff! John b Verified Purchaser Dec 8, 2024 Was this helpful? 0 0 Flag Review by John b has been flagged Flag
About Energy Drink - Peach Mango - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Aug 3, 2024 Tastes great. Perfect amount of caffeine, clean energy and no jitters. Jarett P Verified Purchaser Aug 28, 2024 Was this helpful? 1 0 Flag Review by Jarett P has been flagged Flag
About Energy Drink - Root Beer - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Aug 4, 2024 Great taste! Angela S Verified Purchaser Aug 26, 2024 Was this helpful? 1 0 Flag Review by Angela S has been flagged Flag
About Energy Drink - Peach Mango - 12oz. (12 Cans) Rated 5 out of 5 Purchased on Aug 4, 2024 Great taste and quick shipping Angela S Verified Purchaser Aug 26, 2024 Was this helpful? 0 0 Flag Review by Angela S has been flagged Flag
My new pre workout drink.
About Energy Drink - Hard to Kill - 12oz. (12 Cans) Rated 5 out of 5 My new pre workout drink. I've tried alot of pre workout drinks. And most are okay but personally too much caffeine. This being around 120mg is the perfect amount. And don't feel a crazy drop of energy after. Plus i can take another energy drink later and don't feel bad about having to much caffeine for the day. Overall good drink. NyB Feb 2, 2026 Was this helpful? 0 0 Flag Review by NyB has been flagged Flag
C Bum doesn't miss
About Energy Drink - Blueberry Lemonade - 12oz. (12 Cans) Rated 5 out of 5 C Bum doesn't miss Love these! Blueberry lemonade and cherry frost are the best by far. Julian O Nov 18, 2024 Was this helpful? 0 0 Flag Review by Julian O has been flagged Flag
Amazing
About Energy Drink - Citrus Burst - 12oz. (12 Cans) Rated 5 out of 5 Amazing I love the flavor. This is gonna help me give up soda so much easier and I had a good amount of energy at the gym and at work with these. The taste sort of reminds me of mtn dew so it's a good replacement for me Calista Jul 28, 2024 Was this helpful? 1 0 Flag Review by Calista has been flagged Flag
Great flavor!
About Energy Drink - Cherry Frost - 12oz. (12 Cans) Rated 5 out of 5 Great flavor! Was very surprised with the flavor, and within a few sips I felt energized. Edward G Dec 15, 2023 Was this helpful? 1 0 Flag Review by Edward G has been flagged Flag
Amazing
About Energy Drink - Cherry Frost - 12oz. (12 Cans) Rated 5 out of 5 Amazing Taste good Finn0Jake Nov 6, 2023 Was this helpful? 1 0 Flag Review by Finn0Jake has been flagged Flag
Root Beer, without feeling like a bum!
Don't pick these up expecting a *sugary* root beer taste. It won't have an extremely over-powering taste like you would expect from MUG or anything...however, that also means it doesn't come with the downsides of drinking something like MUG (I.E, getting fat!). These go down extremely smooth and are great for when you're craving root beer but wish to spare yourself the calories. I also appreciate the can design and the minimalist, but not boring, logo. Overall this is something you can feel good
Love this!!
Such a good energy drink. Tastes just like cream soda, gives just enough of an energy boost without feeling overwhelmed. I absolutely love this drink! It's tied for first with the Root Beer one in my book!
The cherry frost and citrus
I'm impressed with this energy drink. I've been buying Several for the past month. I have a good flavor and That keeps you awake. And gives you plenty of energy
Best flavor so far
Best energy drink I've ever had! Great flavor and just the right amount of caffeine.