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We test everything. We only sell what actually works. Every product is backed by peer-reviewed research. No proprietary blends. No BS.

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The Focus Stack — Everything You Need

Our #1 selling bundle. Caffeine + L-Theanine + Alpha-GPC + Lion's Mane. The complete focus protocol backed by research.

☕ Caffeine 200mg
🍵 L-Theanine 400mg
🧠 Alpha-GPC 300mg
🍄 Lion's Mane 1000mg
$78.96 $49.99
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Nootropic Comparison Chart
SupplementBest ForEvidenceDoseCost/DayRating
Caffeine + L-TheanineFocus, EnergyStrong100-200mg + 200-400mg$0.10⭐⭐⭐⭐⭐
Creatine MonohydrateBrain EnergyStrong5g/day$0.08⭐⭐⭐⭐⭐
Alpha-GPCFocus, MemoryGood300-600mg$0.35⭐⭐⭐⭐
Lion's ManeNeurogenesisGood500-1000mg$0.40⭐⭐⭐⭐
Omega-3 DHABrain HealthStrong1000-2000mg$0.30⭐⭐⭐⭐
Rhodiola RoseaStress, FatigueGood200-600mg$0.25⭐⭐⭐⭐
Magnesium L-ThreonateSleep, CognitionGood2000mg$0.50⭐⭐⭐☆
Bacopa MonnieriMemoryGood300-600mg$0.20⭐⭐⭐☆
Ashwagandha KSM-66Stress, MoodGood300-600mg$0.25⭐⭐⭐☆

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Common Questions
Are these supplements safe?
Every product we recommend has been studied in human trials and has an established safety profile at the recommended doses. However, always consult your doctor before starting any new supplement, especially if you take medications.
How do you choose which products to sell?
We only recommend supplements with peer-reviewed research supporting their efficacy. We check for third-party testing (NSF, USP, or independent lab verification), transparent labeling with exact doses, and no proprietary blends.
Can nootropics replace ADHD medication?
No. If you have diagnosed ADHD, work with your doctor on treatment. Nootropics can complement prescription treatment but should not replace it. For people without ADHD looking to optimize focus, evidence-based supplements can help.
Where do orders ship from?
Products ship directly from the manufacturer or Amazon fulfillment centers. This means fast shipping (usually 1-3 days with Prime), easy returns, and quality guarantees from established brands.
What's the best starter supplement for focus?
Caffeine + L-Theanine is the best starting point. It's cheap ($0.10/day), has the strongest evidence base, and most people notice effects immediately. Start there before adding anything else.

Affiliate Disclosure & Disclaimer

stimulant.shop earns commissions on purchases made through our links. This does not affect our rankings — products are rated solely on evidence. These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before starting any supplement.

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As an Amazon Associate we earn from qualifying purchases. | Read our 2026 Focus & Supplement Guide →

From the Creator

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