Real focus does not come from a spike. Five researched compounds, every one disclosed with its exact amount — including a combined 94mg caffeine total most energy products hide entirely.
An energy-drink crash comes from two mechanisms at once: caffeine blocking adenosine, which floods back when it clears, and a sugar-driven insulin spike that drops blood glucose. Most energy products hide their actual caffeine dose. TEK Brain discloses every active ingredient and amount, including a stated 94mg caffeine total.
Most energy products file their real stimulants under “Other Ingredients” with no amount listed — legal, and common practice across the category. TEK Brain was built the opposite way. Sensoril Ashwagandha 250mg. Rhodiola Rosea 200mg. Panax Ginseng 150mg. Guarana Seed Extract 200mg (about 44mg caffeine). Caffeine, anhydrous, 50mg. Total caffeine, combined: about 94mg per serving — under one strong cup of coffee, and disclosed to the milligram.
Total caffeine load applies whether it comes from a can, a shot, or this capsule. Do not stack with other caffeinated products the same day. Not for use in pregnancy or while breastfeeding. Not intended for children. Ashwagandha can influence thyroid hormone levels — Hashimoto’s or Graves patients should use under physician monitoring.
Not one mechanism. Two, running at the same time — and most products only address one of them, if either.
Adenosine rebound. Caffeine does not create energy. It blocks adenosine, the brain chemical that signals sleepiness, at its receptors. While caffeine is active, that adenosine keeps accumulating unfelt in the background. When caffeine clears — typically three to five hours after a single dose — the accumulated adenosine floods back onto its receptors all at once. That sudden binding is the crash, and it is often sharper than the tiredness a person would have felt without the caffeine at all.
The sugar spike and drop. Most energy drinks carry meaningful sugar. That produces a rapid glucose rise, which triggers a large insulin release, which clears the sugar quickly and drops blood glucose below where it started. That drop causes real physical fatigue, running on a separate timeline from the caffeine.
A can that is high in sugar and vague about its stimulant dose is set up to trigger both mechanisms with no way to predict either one.
Because current labeling law does not require it, and this is the finding that shaped how this formula was built.
If caffeine is added in pure form, the word caffeine must appear on the label — the amount does not. If it comes from a botanical source such as guarana, yerba mate or kola nut, the plant name can be listed with no mention that it is a stimulant source at all. A can can legally carry a real stimulant dose that neither the person drinking it nor the doctor recommending it can see.
TEK Brain was built the other direction, deliberately. Every compound that contributes a stimulant or active effect is disclosed with its exact amount, including the combined caffeine total. Nothing rides in under Other Ingredients.
Ashwagandha is not one thing. The word on a label can mean an unstandardized root powder with unknown active content, or one of several branded, patented extracts — each manufactured differently, each tested in its own separate set of clinical trials. Swapping one for another is not a like-for-like substitution.
Sensoril is a root-and-leaf extract standardized to a minimum withanolide glycoside content, verifiable against its Certificate of Analysis — distinct from root-only extracts standardized to a different marker level entirely. TEK Brain uses 250mg once daily, sitting at double the lowest clinically validated dose from the 2008 Auddy trial and within the range confirmed by a 2024 safety trial, in a once-daily format rather than the twice-daily split some of the original trials used.
The stress-score and cortisol figures associated with this ingredient come from the 125mg arm of that trial — a conservative baseline for a formula dosed at twice that amount.
No — and getting this precise matters, because the confusion is common and easy to fall into.
No dietary ingredient has FDA approval. That category is reserved for drugs, and the FDA does not review or approve supplements before they reach market. What Sensoril actually has is real, and stronger than most of the category can claim: an Investigational New Drug (IND) number obtained so it could legally be studied in human clinical trials for cognitive function; self-affirmed GRAS status for food and beverage use, based on independent toxicological review; and a published trial record spanning sixteen or more human studies, including the foundational 2008 randomized, double-blind, placebo-controlled stress trial and a 2024 dose-confirmation safety trial in Nutrients.
An IND permits research. It is not a market approval, and no amount of trial data changes that. What it does mean: this specific extract, at this specific dose, has been through a level of human evidence almost nothing else on an energy-product shelf can point to.
| Compound | Mechanism |
|---|---|
| Sensoril Ashwagandha 250mg | HPA-axis modulation; cortisol and CRP reduction, documented at this dose. Works on the cortisol side of the stress response, not the adenosine side — a separate pathway from the caffeine crash entirely. |
| Rhodiola Rosea 200mg 3% rosavins, 1% salidroside | Adaptogen at a standard research dose. Independent evidence for fatigue and reaction time, sustaining attention over hours rather than minutes. |
| Panax Ginseng 150mg standardized ginsenosides | Working memory and mental fatigue support. Carries a mild, documented glucoregulatory effect worth noting for patients also watching blood sugar. |
| Guarana Seed Extract 200mg ~44mg caffeine | Alertness and memory support; independent research indicates an effect beyond its caffeine content alone. |
| Caffeine, anhydrous, 50mg | Combined with guarana: about 94mg total per serving — under one strong cup of coffee, stated exactly rather than hidden in a blend. |
| Taurine 300mg | Osmoregulation and antioxidant support, at a dose reduced from beverage-scale amounts. |
| Active B-Complex P5P, methylcobalamin, adenosylcobalamin, 5-MTHF, niacinamide, pantothenic acid | Methylation support and mitochondrial ATP production — the cellular machinery focus actually runs on, in forms the body can use directly rather than forms requiring conversion. |
Five researched compounds, fully disclosed. No proprietary blend. Vegetable capsule, size 00. 60 capsules per bottle — 30 servings of 2.
Because it is built to blunt the pattern rather than trigger it, from more than one direction at once. The caffeine load is moderate and fully disclosed. There is no added sugar to create a second, separate glucose crash. Rhodiola and ginseng carry independent research support for sustaining attention over hours. And Sensoril works on the cortisol side of the stress response — a different pathway from the adenosine rebound entirely, so fatigue is being addressed from two directions rather than masked from one.
The capsule format itself removes an entire crash mechanism before the adaptogens are even involved — there is no sugar delivery vehicle to begin with.
Two timelines, not one. The caffeine and guarana component is felt within thirty to sixty minutes, consistent with established caffeine pharmacokinetics. The adaptogen component builds over days to weeks — which is exactly why the ashwagandha and rhodiola research behind this formula ran over four-to-twelve-week windows rather than measuring a single dose.
Expect an immediate alertness effect from day one, with a steadier, less jittery version developing gradually over the first two to three weeks of consistent use.
Patients running on repeated cups of coffee through the day. Patients who feel sharp for an hour after an energy drink and then flat for three. Patients who want focus support without guessing at a hidden stimulant load. Also a strong fit: patients whose focus complaint tracks with a visible stress pattern — elevated resting heart rate, tight shoulders, poor sleep onset — where the cognitive fog is downstream of an overworked stress response rather than a standalone attention problem.
Patients already on prescription stimulant medication. Patients with a diagnosed cardiac arrhythmia. Patients whose sleep is already fragile, since even a moderate afternoon dose can push a fragile sleep pattern further off course. This is a focus and adaptogen formula, not a substitute for treating an underlying thyroid, adrenal or sleep disorder — where one of those is present, this supports the daily experience while the root cause gets addressed through the appropriate protocol.
Because upper cervical alignment, C0 to C3, governs mechanoreceptor input feeding directly into the brainstem reticular activating system — the structure responsible for baseline alertness — and into vagal outflow, which sets the tone of the stress response these ingredients are working to calm. Sympathetic tone affecting sustained alertness routes through T1 to T4, and adrenal output regulation via the greater splanchnic nerve sits at T8 to T11.
A patient taking this formula while carrying an upper cervical restriction is fighting it with one hand while taking it with the other. Clearing that restriction lets the ingredients do the job they were dosed to do. Clinical observation from practice, not a formal trial finding, offered as exactly that: patients who pair a focus formula like this with regular upper cervical adjustment report the lift lasting longer through the afternoon, with less of the jittery edge some describe from stimulant products alone.
Two minutes on the two mechanisms behind an energy-drink crash, and why almost nothing on the market discloses its actual dose. Narrated from Dr. Troy Delane Frazier’s own clinical writing on this formula — his reasoning, his words.
Narrated summary of Dr. Frazier’s clinical rationale. Nothing plays until you click — no tracking loads on page view.
The category has earned every bit of that suspicion. Proprietary blends that hide the actual stimulant dose. Ashwagandha on a label that could mean anything from a real trial-backed extract to an unstandardized root powder. Trial citations for the plant, quietly substituted for evidence of the specific product in the bottle.
This page tries to leave none of that room. Every gram is stated on the Supplement Facts panel above, not just the easy-to-disclose vitamins. The specific extract is named, and the dose is shown against the actual trial that validated it, including which arm of that trial the headline numbers come from. And the FDA question is answered precisely rather than left to imply more than it means — no approval exists for any dietary ingredient, and this page does not claim one.
None of that makes the ingredients magic. It means the claims on this page can be checked, which is a different thing from being persuasive, and a rarer one in this category.
It is under one strong cup of coffee, and it is also a real stimulant dose that deserves real caution — not stacked with other caffeinated products, not taken after 2:00pm, not for anyone with a diagnosed cardiac arrhythmia or on prescription stimulant medication without a physician's input. The number being disclosed does not make it harmless. It makes it something you can actually plan around.
Testimonials reflect individual experiences and are not a guarantee of any clinical outcome.
| Each Serving (2 capsules) Contains | Amount |
|---|---|
| Sensoril Ashwagandha | 250 mg |
| Rhodiola Rosea (3% rosavins, 1% salidroside) | 200 mg |
| Panax Ginseng (std. ginsenosides) | 150 mg |
| Guarana Seed Extract (about 44mg caffeine) | 200 mg |
| Caffeine, anhydrous | 50 mg |
| Taurine | 300 mg |
| Active B-Complex (P5P, methylcobalamin, adenosylcobalamin, 5-MTHF, niacinamide, pantothenic acid) | — |
| Total caffeine, combined | ~94 mg |
No proprietary blend. Every active compound and its exact amount is listed above — nothing is filed under Other Ingredients. Vegetable capsule, size 00. 60 capsules per bottle — 30 servings of 2.
Suggested use: 2 capsules once daily, morning or early afternoon. Do not repeat same day. Do not dose after 2:00pm. Do not combine with other caffeinated products the same day.
Cautions: Not for use in pregnancy or while breastfeeding. Not intended for children. Ashwagandha can influence thyroid hormone levels — Hashimoto’s or Graves patients should use under physician monitoring. Ginseng may interact with diabetes medication or blood thinners. Avoid with uncontrolled hypertension, arrhythmia, or a diagnosed anxiety disorder sensitive to stimulants without physician guidance. General adult caffeine ceiling near 400mg from all sources combined.
Supervision note: Any dosing above this label is physician-directed, not self-directed. Review this label with your physician if you take prescription medication or are under care for a diagnosed condition. Keep out of reach of children.
Four stages. Each one builds on what the last one found — you paste the AI’s answer back in and the next prompt is written around it. You end with a document you can take to a doctor. This is education, not diagnosis.
Before anything else — what is actually happening underneath the symptom. This stage translates what you feel into the biological systems involved.
Your prompt will appear here.
Now the specifics of your case, written against what stage one found.
Complete stage 01 to unlock
Your prompt will appear here.
A visual of your own picture — the pathway involved and where this formula enters it. Paste into an image-capable AI.
Complete stage 02 to unlock
Your prompt will appear here.
Image generators garble dense text. Proof the rendered image before showing it to anyone.
Everything above, assembled into a document you can actually read and understand — what may be happening underneath, how this formula applies to you, and the questions to ask before you book.
Complete stage 03 to unlock
Your prompt will appear here.
Not every practice works at this level, and there is no fault in that — it is a different training. Ask these on the phone before you pay for a visit. If the answers are no, you have saved yourself an appointment.
If your provider referred you here, take the dossier to them — it is built to make that visit better. If you don’t have a provider working in this lane, Dr. Troy Delane Frazier, DC sees patients by telehealth and this is exactly the conversation he has been having since 1998.
Call to Schedule · (801) 221-1151Telehealth availability varies by state. Absolute Health, Orem, Utah.
Yes, and it happens through two mechanisms running at once rather than one. Caffeine blocks adenosine, the brain chemical that signals sleepiness, so while caffeine is active that adenosine keeps accumulating unfelt. When caffeine clears, it floods back onto its receptors all at once, which is the adenosine rebound. Separately, sugar in most energy drinks triggers a large insulin release that clears glucose quickly and drops blood sugar. Two crash mechanisms, and most products only address neither.
Stimulant response varies by individual nervous-system regulation, and this is genuinely more complex than a simple caffeine-tolerance story — it is a real and reported pattern worth raising with a physician rather than settling from a search result. What is established regardless of the mechanism: an undisclosed and unpredictable stimulant dose makes it harder for anyone, ADHD or not, to learn their own response. A disclosed, consistent dose at minimum makes the pattern easier to observe and discuss with a provider.
Likely the same rebound mechanism, compressed into a smaller volume. Shot-format products concentrate a stimulant dose into a couple of ounces, and many rely on the same Other Ingredients labeling gap as canned energy drinks — the plant-sourced caffeine sources can be listed by name with no stated amount. A sharp, undisclosed dose produces a sharp, unpredictable rebound when it clears.
Timing lines up with caffeine's pharmacokinetics. Peak plasma concentration arrives at roughly 30 to 60 minutes, and the half-life runs 3 to 5 hours in most adults, so a crash in the one-to-three-hour range after a single dose without food is a plausible and common pattern rather than something unusual.
Three things move the needle independent of any product. Adequate hydration, since caffeine's mild diuretic effect can compound fatigue if fluids are not replaced. Protein and fat with the dose rather than sugar alone, which blunts the insulin spike that drives half the crash. And addressing the caffeine dose itself — a disclosed, moderate amount paired with compounds that support sustained output tends to produce a flatter curve than an undisclosed sharp one.
Caffeine has a half-life of roughly 3 to 5 hours in most adults, so a dose taken in the afternoon or evening can still be pharmacologically active at bedtime, delaying sleep onset and reducing deep sleep even when a person does not consciously feel wired. This is why the cutoff time matters as much as the total dose — a formula taken after 2:00pm can interfere with sleep even at a moderate amount.
Because current labeling law does not require it. If caffeine is added in pure form, the word caffeine must appear on the label, but not the amount. If it comes from a botanical source such as guarana, yerba mate or kola nut, the plant name can be listed with no mention that it is a stimulant source at all. This is common practice across the energy drink and shot category and it is entirely legal. It also means a patient drinking one of these products has no way to know their actual stimulant dose, and neither does the doctor recommending it.
Ashwagandha is not one ingredient. It can mean an unstandardized root powder with unknown active content, or one of several branded, patented extracts, each manufactured differently and tested in its own separate trials. Sensoril is a specific root-and-leaf extract standardized to a minimum withanolide glycoside content, verifiable against its Certificate of Analysis, distinct from root-only extracts standardized to a different marker level. TEK Brain uses 250 mg once daily, sitting at double the lowest clinically validated dose from the original 2008 trial and within the range confirmed by a 2024 safety trial.
No, and it is worth being precise about this because the confusion is common. No dietary ingredient has FDA approval — that is a category reserved for drugs, and the FDA does not review or approve supplements before they reach market. What Sensoril has is real and worth naming accurately: an Investigational New Drug number obtained so it could legally be studied in human clinical trials, self-affirmed GRAS status for food and beverage use based on independent toxicological review, and a published trial record including a 2008 randomized placebo-controlled study and a 2024 safety trial. An IND permits research. It is not a market approval, and this page will not claim otherwise.
No. TEK Brain is dispensed by Dr. Troy Delane Frazier, DC at Absolute Health, 560 South State Street, Suite H-1, Orem, Utah 84058, and ships nationwide. If your own provider referred you, enter their Referring Provider ID at checkout so the order is credited to them. Questions: (801) 221-1151.
60 capsules (30 servings) · focus and adaptogen formula
Contains ~94mg caffeine · Vegetable capsule · Ships nationwide