Stress & Vitality Support
600 mg KSM-66 Ashwagandha for Stress, Sleep & Vitality
By Diane Foster · Founder, Primaurea · Updated · Diane's score: 4.4/5
Elixir of Youth is a daily capsule with 600 mg of KSM-66 ashwagandha, plus L-theanine and BioPerine, made to support calm, stress resilience and sleep. The official store sells 1 bottle for $79, 3 for $209 with free shipping and 6 for $294 with express shipping. Every order has a 60-day money-back guarantee.
- ✓ 600 mg KSM-66 + L-Theanine + BioPerine
- ✓ Caffeine-free, 60 vegan capsules a bottle
- ✓ One-time purchase, 60-day guarantee
60-Day Money-Back Guarantee
This link takes you to the official Elixir of Youth order page. By purchasing through it, you support my work at no extra cost to you.
That Wired-But-Tired Feeling by 9 PM?
You get through the day on momentum, then the moment things go quiet at night, your mind won't switch off. Short patience by mid-afternoon, a racing brain at bedtime, and mornings that never quite feel recharged — it's a pattern a lot of people in high-pressure jobs and busy midlife schedules know well.
The National Institute of Mental Health notes that if stress or anxiety symptoms don't go away and start interfering with daily life, or you're struggling to cope, it's worth reaching out to a healthcare professional rather than just pushing through.
That's why a lot of people start looking at daily habits that support stress resilience: sleep hygiene, movement, and for some, an adaptogen supplement like ashwagandha. (For the bigger picture on aging well, my Healthy Aging guide covers more ground.)
How Elixir of Youth Is Meant to Work
One Root Extract, a Stated Dose
Instead of a long proprietary blend, Elixir of Youth centers on a single, well-studied adaptogen at a stated dose, with two supporting ingredients aimed at focus and absorption.
KSM-66 Ashwagandha
600 mg of full-spectrum root extract, the specific ashwagandha ingredient most often used in stress and cortisol research.
L-Theanine
An amino acid found naturally in tea leaves, included to support calm, steady focus without drowsiness.
BioPerine
A small amount of black pepper extract, added to support absorption of the other two ingredients.
A fair word on the science: the National Center for Complementary and Integrative Health reports that evidence on ashwagandha looks encouraging for stress and sleep, though data on anxiety specifically is still inconclusive. It also notes ashwagandha appears reasonably safe for short-term use (up to about three months), but flags rare reports of liver injury and advises against use during pregnancy or alongside certain autoimmune conditions and medications — one more reason to loop in your doctor first.
What's in Each Capsule
As listed on the official product page. Each bottle holds 60 vegan capsules.
600 mg
KSM-66 Ashwagandha
A trademarked, full-spectrum root extract — a named, standardized extract rather than a generic ashwagandha powder.
Supporting
L-Theanine
Best known from green tea, often paired with adaptogens for a calmer, more even kind of alertness.
Absorption
BioPerine
A patented black pepper extract commonly added to supplements in small amounts to support bioavailability.
As stated on the product label and official product page.
What Customers Say
Peggy B. · Michigan
"As someone working in a high-pressure corporate environment, my stress levels used to skyrocket by noon. Since starting Elixir, the constant 'mental noise' has vanished. I feel a sense of calm focus that allows me to power through complex tasks without feeling overwhelmed. It's not a jittery energy like caffeine; it's just pure, steady mental clarity."
David R. · Austin, TX
"I used to struggle with a 'tired but wired' feeling every night, exhausted but unable to shut off my brain. The KSM-66 in this formula has been a lifesaver. It helped lower my nighttime cortisol so I can actually fall into a deep, restorative sleep. I wake up feeling genuinely recharged and ready to dominate the day."
Testimonials from the official product page. Individual results vary.
Where to Get Elixir of Youth
Elixir of Youth is sold only through its official order page. Buying more bottles at once brings the price per bottle down:
- ✓ 1 bottle: $79
- ✓ 3 bottles: $209 total (about $69.67 a bottle), plus free shipping
- ✓ 6 bottles: $294 total ($49 a bottle), plus free express shipping
- ✓ One-time payment — the official page does not mention a subscription
- ✓ 60-day, 100% money-back guarantee
60 Days to Decide
Elixir of Youth is covered by a 60-day, 100% money-back guarantee.
My score for Elixir of Youth: 4.4 out of 5
This is a technical rating based on the information I collected (the label, the official store and the published research), not a test I ran myself. I score seven criteria out of 5. They do not all weigh the same, so the final score is a weighted average.
| Criterion | Score |
|---|---|
| Does what it promises KSM-66 at 600 mg, the same dose used in the main stress and sleep studies. |
4.5 |
| Ease of use A vegan capsule with no caffeine. |
4.5 |
| Build and published data L-theanine and BioPerine appear without milligrams, but the dose of the main ingredient is published. |
4.0 |
| Evidence and honest claims KSM-66 ashwagandha has several randomized trials on stress and sleep, a strong base for a formula of this kind. |
4.5 |
| Price for what it is A premium-priced formula for its class, down to $49 a bottle in the 6-bottle pack. |
3.0 |
| Checkout A simple checkout with the packages side by side. |
5.0 |
| Guarantee and returns A 60-day money-back guarantee on every order. |
5.0 |
| Final score | 4.4 out of 5 |
Elixir of Youth price, guarantee and shipping
| Package | Price per bottle | Total price | Shipping |
|---|---|---|---|
| 1 bottle 30-day supply |
$79 | $79 | Calculated at checkout |
| 3 bottles 90-day supply |
$69.67 | $209 | Free shipping |
| 6 bottles 180-day supply |
$49 | $294 | Express shipping |
- Guarantee: 60-day money-back guarantee on every package.
- Sold by: the official Elixir of Youth store, not Primaurea.
- Written by: Diane Foster, founder of Primaurea.
Frequently Asked Questions
What is Elixir of Youth? +
Elixir of Youth is a daily capsule built around 600 mg of KSM-66 ashwagandha root extract, paired with L-theanine and BioPerine. The manufacturer designed it to support stress resilience, calm focus and sleep quality, without caffeine or other stimulants.
What ingredients are in it? +
The official product page lists 600 mg of KSM-66 ashwagandha root extract, L-theanine, and BioPerine black pepper extract to support absorption. Each bottle holds 60 vegan capsules.
Is it caffeine-free? +
Yes. The manufacturer states it is stimulant-free and works through the nervous system rather than raising your heart rate the way caffeine does.
How much does it cost? +
At the time of writing (September 2026), the official page lists 1 bottle for $79, 3 bottles for $209 total (about $69.67 a bottle) with free shipping, and 6 bottles for $294 total ($49 a bottle) with free express shipping. Prices are set by the manufacturer and can change, so confirm them on the official order page.
Is it a subscription? +
The official page lists one-time prices for each package and doesn't mention a recurring charge. Even so, confirm the offer terms on the checkout page before entering payment details.
How does the money-back guarantee work? +
You have 60 days from your purchase date.
How fast does it ship? +
The manufacturer states you'll receive a tracking email within about 60 hours of ordering. For shipping costs and timelines to your country, contact contact@paytriotrade.xyz.
Who sells Elixir of Youth? +
Elixir of Youth is sold through its official website. Questions go to the manufacturer at contact@paytriotrade.xyz. Details are on our Contact page.
One Capsule, One Clear Dose
600 mg of KSM-66 ashwagandha, no proprietary blend, and 60 days to see if it fits your routine.
Go to Official Elixir of Youth Website60-Day Money-Back Guarantee