
Focus Powder (Sour Grape)
Nootropic-powered focus powder for sharp concentration and mental stamina
20 Servings·$1.50/serving
Arrives in 5–7 business days, refills ship monthly
A stack is 3 products shipped together every month. Cancel anytime.
How Stack & Save works
A stack is 3 products chosen by you and shipped together every month. You lock in 25% off and free shipping for as long as you stay subscribed. Skip, swap, or cancel anytime from your dashboard.
Per Serving
- ■Focus: Rapid-onset concentration support for demanding tasks
- ■Mental Stamina: Sustained cognitive endurance without the crash
- ■Clarity: Clean mental clarity from targeted nootropic compounds
- ■Energy: Smooth energy lift from natural caffeine and L-theanine
What's Inside
Ingredients are the natural sources in this product. Compounds are the bioactive molecules within each ingredient that provide specific health benefits.
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
What to Expect
This shows how the product's benefits typically develop over time — from fast-acting acute effects to steady foundational support.
Fast-acting, situational support designed for short-term use.
Illustrative only — not a medical claim. Individual results may vary.
Why This Product
Ingredient synergies are benefits from combining specific ingredients within this product.
From the Journal
Ginkgo Biloba: Cerebral Blood Flow and What Your Brain's Vasculature Has Been Missing
Your brain consumes 20% of cardiac output but represents 2% of body mass. Cerebral blood flow is the supply chain for every cognitive function you have — and it declines measurably with age. Ginkgo biloba targets this vasculature through PAF inhibition, NO-mediated vasodilation, and antioxidant protection of the endothelium. Here's why the terpene lactones and flavone glycosides do different things, and why pairing ginkgo with panax ginseng creates a synergistic cerebrovascular stack.
Alpha-GPC: The Choline Source That Actually Reaches Your Brain
Not all choline sources cross the blood-brain barrier equally. Choline bitartrate mostly feeds the liver. CDP-choline is better. Alpha-GPC bypasses the saturable choline transporter entirely by entering the brain via the phospholipid transport system — a different, higher-capacity pathway. This article maps the choline source hierarchy, the ACh synthesis cycle, and why pairing Alpha-GPC with Huperzine A creates one of the most mechanistically complete nootropic stacks available.
L-Theanine + Caffeine: The Productivity Stack That Actually Has Research Behind It
Most people who drink coffee are running a flawed protocol. Not because caffeine doesn't work — but because caffeine alone produces cognitive costs alongside its benefits. L-theanine is what's missing.
FAQ

Stack & Save
Add Focus Powder (Sour Grape) to Your Stack
Reviews
Tried It? Tell Us.
We're just getting started and your feedback shapes what we build next. Leave a review — we read every one.
Latest from the Lab

Ginkgo Biloba: Cerebral Blood Flow and What Your Brain's Vasculature Has Been Missing
Your brain consumes 20% of cardiac output but represents 2% of body mass. Cerebral blood flow is the supply chain for every cognitive function you have — and it declines measurably with age. Ginkgo biloba targets this vasculature through PAF inhibition, NO-mediated vasodilation, and antioxidant protection of the endothelium. Here's why the terpene lactones and flavone glycosides do different things, and why pairing ginkgo with panax ginseng creates a synergistic cerebrovascular stack.

Alpha-GPC: The Choline Source That Actually Reaches Your Brain
Not all choline sources cross the blood-brain barrier equally. Choline bitartrate mostly feeds the liver. CDP-choline is better. Alpha-GPC bypasses the saturable choline transporter entirely by entering the brain via the phospholipid transport system — a different, higher-capacity pathway. This article maps the choline source hierarchy, the ACh synthesis cycle, and why pairing Alpha-GPC with Huperzine A creates one of the most mechanistically complete nootropic stacks available.

L-Theanine + Caffeine: The Productivity Stack That Actually Has Research Behind It
Most people who drink coffee are running a flawed protocol. Not because caffeine doesn't work — but because caffeine alone produces cognitive costs alongside its benefits. L-theanine is what's missing.

The Science of Adaptogens: How Your Body's Stress Response Actually Works
Adaptogen" has become a marketing term. The pharmacological category is real — here's the actual mechanism behind the HPA axis, allostatic load, and what each major adaptogen is specifically doing.
You May Also Like
Earn Free Products
Stack subscribers earn free products by referring friends
*Referral Program: Share your unique link with friends. When a friend subscribes to a stack using your link and completes 2 consecutive shipments, you earn 1 product credit. Each credit is worth the median price of products in your current stack and can be redeemed for any product in our catalog — added as a bonus item to your next shipment. Credits have no cash value and cannot be transferred. Nomad Nutrients reserves the right to modify or discontinue the referral program at any time.
From the Founder
Full Stack Wellness, Optimized and Efficient
"Hi, I'm Tanner, Chief Mushroom Officer at Nomad Nutrients. I built this for people like me—optimizers who want a flexible, all-in-one supplement stack without the hassle. Build yours, dial it in, and keep exploring."
— Tanner
CMO (Chief Mushroom Officer)











