Have you heard of the term “lock-in” before? It’s been tossed around for quite some time now but it seems that recently, the term has been picking up speed in the cultural spectrum of one-off phrases. The meaning is simple; in essence, the term, “lock-in” means to Get.Stuff.Done. It is a way to signal to others that you are focused on the task at hand and next-to-nothing will stop you in achieving your goal. That being said, here at Dr.Emil Nutrition, we are here to help you lock-in.
In the non-stop grind culture that is woven into the fabric of our society, it is more important than ever to lock-in because the competition is fierce out there. One way you can get that extra leg up on your competition is through an increase in your energy levels. That is why, today we are going to cover the top 10 best energy drinks that will ensure sustained focus and energy throughout the workday.
What Factors We Have Considered
Not all energy drinks have been created equal. The way we look for the best energy drink to stay energized and sharp has changed as we learn more about natural ingredients. It's no longer only about sugar highs and caffeine jolts, as new studies demonstrate the potent effects of pure, scientifically supported substances like L-theanine, adaptogens, and nootropic mixtures. These days, the finest energy drink to keep you awake and concentrated needs to do more than just stimulate; it should also improve cognitive performance, maintain energy levels, and promote general brain health.
Traditional energy drinks are high in caffeine and sugar which have long been thought to be the ultimate sleep fighting duo but science says otherwise. Sugar can raise your blood-sugar levels and cause your blood-glucose levels to dip resulting in the iconic sugar crash, which we are not fond of.
As for caffeine, although it is an undeniably powerful chemical, by itself, it doesn’t qualify a product as the greatest energy drink for maintaining energy and focus. Jitteriness, a fast heartbeat, and even crashes might result from consuming too much caffeine. An energy drink's ability to blend caffeine with other compounds that help the brain is what makes it truly effective. It has been demonstrated that amino acids like L-theanine, which is frequently found in green tea, can both enhance the cognitive benefits of caffeine and mitigate its overstimulation. This combo enhances relaxation and focus, a rare but beneficial combination for mental productivity.
With this framing in mind, the following list of beverages will be brought forth with an understanding that there are healthier alternatives to the traditional market-leading options, that contain ingredients that are simply better for you. And ultimately, it’s not necessarily a magical beverage that will supply you with copious amounts of energy and focus, it’s an overall healthier, balanced diet that is free of toxins and unnecessary chemicals and sugars.
We favored drinks that employ natural sources of caffeine (such as green tea and yerba mate) above those that use synthetic caffeine, and we concentrated on selections with little added sugar. Additionally, we decided to limit our selection to those containing 200 mg of caffeine or less—roughly equivalent to two cups of coffee—especially if you're also eating other caffeinated foods or drinks during the day. Our experts recommend consuming no more than one can daily, even with healthier ingredients (and fewer if you're sensitive to caffeine).
1. Zevia Zero Sugar Energy Drink

If you want energy without compromises, Zevia is the gold standard. This zero-calorie, zero-sugar, energy drink uses natural caffeine sourced from green tea leaves and is sweetened with stevia rather than artificial additives. You’ll find 120 mg of caffeine per can—the perfect amount to get you moving without overstimulation. Plus, Zevia’s transparency about their ingredients and commitment to clean labeling make it one of the best options for those looking to avoid chemicals and dyes. Available in bright, refreshing flavors like mango-ginger, raspberry-lime, and many more.
2. ZOA Zero Sugar Energy Drink

Developed by Dwayne “The Rock” Johnson, ZOA is designed to help you, “unlock your inner warrior.” It’s loaded with electrolytes, B vitamins, amino acids, and immune-supporting antioxidants like vitamin C and camu camu extract. Each can contains 160 mg of natural caffeine sourced from green tea and green coffee beans, providing a smooth, sustained boost. It’s a perfect choice for gym-goers or anyone looking for a balanced, performance-focused energy drink that won’t send your heart racing.
3. Clean Cause Yerba Mate Energy Drink

Clean Cause combines naturally caffeinated yerba mate (a traditional South American drink made from the leaves and stems of the IIex paraguariensis plant, known for its stimulating effects) with organic flavors to create a clean, refreshing energy source that also gives back with 50% of profits supporting addiction recovery initiatives. With 160 mg of caffeine per can and no artificial sweeteners, Clean Cause delivers a bright, earthy flavor and steady energy left.
4. Ola Mate Sparkling Yerba Mate Energy Drink

Ola Mate is for those who want a bit of sophistication with their energy. It uses brewed yerba mate as its caffeine base and adds real fruit juice for a lightly sweet, sparkling taste. With around 120 mg of caffeine, it’s a more moderate option, perfect for an afternoon boost or a pre-workout kick. Its ingredients are organic, plant-based, and free from artificial colors—making it a stylish, health-conscious alternative to mainstream energy drinks.
5. Celsius Energy Drink

Quite the popular option these days, Celsius has become a staple in the energy drink community for good reason. It’s formulated with natural caffeine (from green tea and guarana), taurine, ginger, and B vitamins, which all work together to boost metabolism and energy without sugar. Each can contains about 200 mg of caffeine, so it’s the strongest option on this list by far.
6. UPTIME Energy Drink

UPTIME is a sleek, minimalist energy drink designed for steady, mental clarity—not chaos. Containing 142 mg of natural caffeine from green tea and packed with coenzyme Q10 and ginseng, it provides clean mental energy without the crash. The cane sugar version offers just a hint of sweetness, while the sugar-free option caters to low-carb and keto lifestyles.
7. FocusAid Brain Boot Low Calorie Energy Drink

As its name implies, FocusAid is formulated specifically for mental performance. Instead of relying on heavy caffeine doses, it includes a blend of nootropics such as L-theanine, GABA, alpha-GPC, and acetyl-L-carnitine, all of which are known to enhance cognitive function and focus. With only 100 mg of natural caffeine and zero artificial ingredients, this drink is a powerhouse for productivity without overstimulation.
8. Sambazon Organic Low Calorie Energy Drink

Sambazon brings the Amazon rainforest to your fridge with its organic acai-based energy drinks. The caffeine here comes from guarana and green tea providing 120 mg per can—just enough for a natural, jitter-free buzz. Packed with antioxidants from acai berries and acerola cherry, Sambazon’s formula offers an energizing blend that supports both body and mind.
9. PHX Hydration Energy Drink

PHX is designed to energize and hydrate, offering the best of both worlds. Infused with electrolytes, B vitamins, and 150 mg of natural caffeine, this drink helps maintain hydration levels while supporting cognitive clarity. It’s especially useful for athletes or anyone who tends to forget to drink water throughout the day.
10. GORGIE Energy Drink

GORGIE might look cute at first glance with a stylish pink look with fun bubble-like letters, but it packs in a serious kick. Each can has 150 mg of green tea-derived caffeine, plus biotin and B vitamins to support skin, hair, and overall vitality. Sweetened with stevia and erythritol, GORGIE stays low-calorie and crash-free. It’s a lifestyle forward brand that is designed especially for those who want their energy boost to align with wellness and beauty goals.
The Extra Boost: Energy Drink Alternatives for Sustainable Focus and Mental Clarity
If energy drinks simply aren’t your jam and instead you prefer a quicker and more efficient alternative, we’ve got you covered. Here’s a few supplement options for those who prefer a more convenient and less filling way to boost energy and improve focus:
1. Multivitamins
One of the best ways that you can boost energy more naturally rather than through stimulant avenues would be to try taking a multivitamin. Simply put, your body runs similar to how a car does—it needs the right fuel to run well. It’s arguably harder than ever to intake all of the necessary vitamins and minerals to run at its best with the way that our food is so heavily processed today. That’s why considering taking a multivitamin can be an extremely effective way to boost energy and focus. Be sure that the multivitamin you choose has elements such as magnesium, vitamin B, vitamin D, and iron. Be sure to consult with your doctor prior to beginning a multivitamin to see if it's right for you.
2. Caffeine Pills
For those who want fast acting and effective results without the unnecessary calories that come with an energy drink, you could consider a caffeine pill. While they generally range from 100-200mg of caffeine, they do tend to be a much more concentrated form of caffeine than an energy drink or a cup of coffee, making it easy to take too much, so be sure to read labels and consult with a doctor before trying it out.
3. Dr. Emil’s Mushroom Coffee
This product is designed to kickstart your day with the transformative power of three potent mushroom extracts – Lions Mane, Chaga, and Cordyceps. These revered ingredients are natural adaptogens known for their ability to bolster mental clarity, elevate focus, and support cognitive function. Dr. Emil's Mushroom Coffee goes beyond ordinary brews by introducing a carefully selected blend of adaptogenic herbs. Ashwagandha, Astragalus Root Powder, and Panax Ginseng Extract join forces to provide sustained, balanced energy. As these natural wonders adapt to your body's unique needs, you'll experience heightened resilience against stress and an enhanced sense of well-being.
Lock In and Level Up
At the end of the day, the ability to “lock in” isn’t just about how much caffeine you can handle— it’s about fueling your body and mind the right way. The best energy drinks don’t just wake you up, they help you stay alert, balanced, and focused long after the first sip. Whether you prefer a clean, plant-based yerba mate, a nootropic-infused blend, or a classic caffeine booster like Celsius, the key is finding what helps you perform at your best without sacrificing your health.
Remember, sustainable energy comes from more than what’s in your can—it;s the result of good nutrition, consistent hydration, quality sleep, and smart supplementation. That’s why at Dr. Emil Nutrition, we’re passionate about helping you elevate your focus naturally, with products designed to support both your brain and body.
So next time you’re gearing up for a big project, workout, or creative grind, don’t just reach for any caffeine fix. Reach for something clean, balanced, and intentional—something that helps you lock in and stay there.




