enter

Enter flow.
Stay there.

The right nootropics, adaptogens, and vitamins. One 60ml shot. No crash, no fillers - launching soon.

Steady energy shot
130mg CAFFEINE

Steady energy + Sharp focus shot

130mg caffeine and 280mg L-Theanine for focused energy without the edge. Lion's Mane, Cordyceps, and Vitamins help optimize cognitive performance.

Sharp focus shot
CAFFEINE FREE

Calm focus + Mental clarity shot

L-Theanine, Citicoline, Rhodiola Rosea and Lion's Mane for deep sustained clarity - without caffeine touching it. Build for afternoons, evenings and anyone who doesn't need more fuel.

Smooth energy, no crash

ENTER vs. caffeine - energy level over time

Performance comparison:

Peak:

133% at 75min

Duration:

4-5 hours

NO CRASH
Caffeine

Peak:

150% at 45min

Crash:

77%

BELOW BASELINE
Ingredients

Ingredients

No fillers. No proprietary blends. Every ingredient listed - with the exact dose that works.

Clean Energy

Clean Energy

130mg natural caffeine. 280mg L-Theanine. The focus you need - without the crash you don't

Clinical Doses

Clinical Doses

Every ingredient at amounts studied in research. Not a sprinkle. Not a blend. The real dose.

Flow State

Flow State

Calm focus. Sharp thinking. No jitter, no crash. Just the state where your best work happens.

What's inside

Every ingredient chosen for a reason. Every dose at a level that works.

Nature's stress regulators - they help your body stay calm under pressure and recover faster.

  • Rhodiola Rosea 300mg (3% rosavins)
  • Cordyceps
  • Panax Ginseng
  • Turmeric + Piperine (for absorption)

The cognitive core - smooth, sustained mental energy without the spike and crash.

  • Caffeine 130mg (green coffee 100mg + guarana 30mg)
  • L-Theanine 280mg
  • Lion's Mane 250mg (≥20% beta-glucans)

The co-factors your brain needs to actually use everything else.

  • Vitamin B6 (as P5P)
  • Vitamin B12
  • Vitamin C (buffered)
Enter products
Karolis & Martynas, Founders of Enter

Redefining Mental Performance

For years, we treated caffeine like the operating system for modern life. Wake up. Drink coffee. Work harder. Drink more. Stay alert. Repeat. But at some point, we realized caffeine on its own was an outdated answer for the state we were actually chasing.

Modern life science has moved far beyond simple stimulation. It has changed how we understand focus, stress, clarity, and what the mind needs to perform at its best.

That is why we built Enter: a 60ml mental performance shot with ingredients chosen for a reason, doses that matter, and one purpose - to help you enter flow and stay there.

Karolis & Martynas

Founders of Enter

Karolis & Martynas, Founders of Enter

Frequently Asked Questions

ENTER is a functional beverage brand making 60ml performance shots packed with clinical-dose nootropics and adaptogens. Every ingredient, every dose, fully transparent - backed by science, made in small batches in Vilnius, Lithuania.

Most energy drinks rely on caffeine and sugar to create a spike - followed by a crash. ENTER uses clinical doses of ingredients studied for cognitive performance - Lion's Mane, Rhodiola, Citicoline, and L-Theanine - at amounts shown to be effective in research. No sugar. No fillers. No proprietary blends.

Matcha Lemon Ginger - our caffeinated shot with 60mg natural caffeine balanced with 200mg L-Theanine. Black currant Ginger - our caffeine-free shot powered by Citicoline and higher doses of Lion's Mane and Rhodiola. Both are 60ml.

Shake, open, drink. The full 60ml in one shot. No mixing required. Onset is typically 15-30 minutes. Effects last 4-6 hours of sustained focus and clarity without the crash.

Yes. A common use case is the caffeinated shot in the morning and the caffeine-free shot in the afternoon for an extended productive day.

Yes. Every ingredient is included at a dose consistent with clinical research. We list exact amounts on the label - not ranges, not blends. You know exactly what you're getting.

Yes. Both shots are 100% vegan and gluten-free with no major allergens.

ENTER launches in August 2026. You can join the waitlist now at takeenter.com to be notified the moment we go live - and get early access.

We ship to Lithuania (1-3 business days) and all EU member states (5-10 business days). Shipping costs are calculated at checkout.

Due to the nature of consumable products, we do not accept returns for change of mind. If your order arrives damaged, contact us within 7 days at hello@takeenter.com with photos. We also offer a satisfaction guarantee - contact us within 14 days if you're not happy.

Mountain landscape

Your mind is the edge. Keep it that way.

Enter launches soon. First batch is limited - drop your email and we will reach out before it goes live.

12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed
12 ingredients
Ultimately effective
Precisely dosed