Science-Backed · Third-Party Tested · Made in USA
Feel Calm Again.
Made with clinically studied KSM-66® ashwagandha for daily wellness support.
Third-Party Tested
GMP Certified
Non-GMO
- ✓ Backed by 24+ peer-reviewed studies
- ✓ Full 600mg clinical serving per dose
- ✓ 90-day money-back guarantee
Select Your Supply:
1 Bottle
$39.99
/bottle
45-Day Supply
⭐ Most Popular
3 Bottles
$33.33
/bottle
Save $20.00
135-Day Supply
💎 Best Value
6 Bottles
$30.00
/bottle
Save $60.00
270-Day Supply
Subscribe & Save
15% OFF
Free shipping • Cancel anytime
-$15.00
Subtotal
$149.97
$84.99
Shipping
FREE
You Save
$64.98 (43%)
Total
$84.99
90-Day Money-Back Guarantee · Free Returns
Secure checkout
Free shipping $75+
90-day guarantee
WHO IT'S FOR
Is Optibio Right for You?
✓ Perfect For
- Stressed professionals seeking calm without sedation
- Poor sleepers who want to wake up actually feeling rested
- Active individuals looking for natural endurance support
- Anyone experiencing mental fog or burnout
✗ Not Right For
- Anyone expecting overnight results
- Pregnant or nursing women (consult your doctor)
- Those taking sedatives or thyroid medication (consult your doctor)
- Anyone under 18 years of age
Proven Results
HOW IT WORKS
How KSM-66® Works
A clinically studied adaptogen that works with your body’s natural stress response system.
1
Cortisol Regulation
KSM-66® modulates the HPA axis — your body’s central stress command system — to help reduce excess cortisol production.
2
Adaptogenic Response
As an adaptogen, it helps your body build resilience to stressors over time, rather than masking symptoms.
3
Cumulative Benefits
With consistent daily use, benefits compound: better sleep, clearer thinking, calmer days, and improved recovery.
WHY OPTIBIO
Why KSM-66®?
Not all ashwagandha is created equal. Here’s what sets KSM-66® apart.
| Feature | Generic Ashwagandha | Optibio KSM-66® |
|---|---|---|
| Extract Type | ✗ Varies (often leaf-only) | ✓ Full-spectrum root extract |
| Withanolide Content | ✗ 1–2% (unstandardized) | ✓ 5% withanolides (standardized) |
| Clinical Studies | ✗ Few or none | ✓ 24+ peer-reviewed trials |
| Quality Testing | ✗ Unknown or self-tested | ✓ 3rd-party verified (COA available) |
| Clinical Dosage | ✗ Often underdosed | ✓ 600mg full clinical dose |
| Extraction Method | ✗ Chemical solvents common | ✓ Green chemistry (milk-based) |
Extract Type
✗ Generic
Varies (often leaf-only)
✓ Optibio
Full-spectrum root extract
Withanolide Content
✗ Generic
1-2% (unstandardized)
✓ Optibio
5% withanolides (standardized)
Clinical Studies
✗ Generic
Few or none
✓ Optibio
24+ peer-reviewed trials
Quality Testing
✗ Generic
Unknown or self-tested
✓ Optibio
3rd-party verified (COA available)
Clinical Dosage
✗ Generic
Often underdosed
✓ Optibio
600mg full clinical dose
Extraction Method
✗ Generic
Chemical solvents common
✓ Optibio
Green chemistry (milk-based)
The Science
CLINICAL EVIDENCE
Clinically Studied Results
Real outcomes from peer-reviewed, placebo-controlled clinical trials.
0%
Cortisol Reduction¹
0%
Stress Reduction (PSS)¹
75.6% → 83.5%
Sleep Efficiency²
0%
Endurance (VO2max)³
¹ Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012). A prospective, randomized double-blind, placebo-controlled study. Indian J Psychol Med. PubMed 23439798
² Langade, D., Kanchi, S., Salve, J., et al. (2019). Efficacy and safety of Ashwagandha root extract on sleep quality. Cureus. PubMed 31728244
³ Choudhary, B., Shetty, A., & Langade, D.G. (2015). Efficacy of Ashwagandha on endurance capacity. Ayu. PubMed 26730141
Your Journey
WHAT TO EXPECT
What to Expect
Ashwagandha works with your body over time. Here’s a realistic timeline.
1
Week 1–2
Initial Adaptation
Your body begins adapting. You may notice subtle improvements in stress response and a growing sense of calm.
2
Week 3–4
Building Benefits
Most people notice meaningful improvements in sleep quality, sustained energy, and reduced reactivity to daily stressors.
3
Week 5–8
Full Benefits
Cumulative benefits compound: deeper resilience, clearer thinking, better recovery, and consistent well-being.
Results vary. Most customers notice changes within 2–4 weeks of consistent daily use.
PERSONALIZED FOR YOU
Find Your Perfect Dose
Everyone's body is different. Answer a few quick questions and we'll recommend a dosage plan tailored to your goals, lifestyle, and body.
Certified Quality You Can Trust
SUBSCRIBE & SAVE
SAVE MORE
Subscribe & Save 15%
Never run out. Delivered on your schedule with free shipping and the flexibility to cancel anytime.
Save 15%
On every order, automatically applied
Free Shipping
Every delivery, always free
Flexible Schedule
Change frequency or skip anytime
Cancel Anytime
No contracts, no commitments
One-Time
Subscribe
Price
$39.99
$33.99
Shipping
Standard
FREE Always
Flexibility
—
Cancel anytime
Seed to Shelf Verified
Every Optibio bottle is traceable from raw material sourcing to your doorstep. Manufactured at an FDA-audited, cGMP-certified facility in the USA.
Verify Your Batch →
FDA-Audited Facility
cGMP Certified
3rd-Party Tested
Made in New York
Halal Certified
Questions Answered
FREQUENTLY ASKED
Frequently Asked Questions
How long until I feel results?
Most customers notice subtle improvements within 1–2 weeks, with more significant benefits emerging at 3–4 weeks of consistent daily use. Full adaptogenic benefits typically develop over 6–8 weeks. Consistency is key — take it daily for best results.
What’s the difference between KSM-66® and regular ashwagandha?
KSM-66® is a patented, full-spectrum root extract standardized to 5% withanolides. Unlike generic ashwagandha (which often uses leaf or a mix), KSM-66® is backed by 24+ peer-reviewed clinical trials and uses a unique milk-based extraction process that preserves the natural balance of active compounds.
Are there any side effects?
KSM-66® ashwagandha is generally well-tolerated in clinical studies. Mild, temporary digestive discomfort has been reported in some cases. If you are taking medications, especially for thyroid conditions, blood pressure, or blood sugar, please consult your healthcare provider before starting any new supplement.
Can I take this with other supplements?
Yes, ashwagandha is generally compatible with most supplements. However, if you are taking prescription medications or other adaptogenic herbs, we recommend consulting your doctor to ensure there are no interactions.
What if it doesn’t work for me?
We offer a 90-day money-back guarantee. If you’re not satisfied with your results after giving it a fair trial (we recommend at least 30 days of consistent use), contact us for a full refund. No questions asked.
How do I take it?
Take 2 capsules daily, preferably with food. You can take both capsules together or split them (one in the morning, one in the evening). For sleep support, some customers prefer taking their dose in the evening.
Is this FDA approved?
Dietary supplements are not evaluated or approved by the FDA in the same way prescription drugs are. However, our product is manufactured in an FDA-registered, GMP-certified facility in the United States, and every batch is third-party tested for purity, potency, and contaminants.
How does Subscribe & Save work?
Subscribe & Save gives you 15% off every order plus free shipping on every delivery. Choose your frequency (monthly, every 3 months, or every 6 months) and we'll automatically ship your next supply on schedule. You can change your delivery frequency, skip a shipment, or cancel anytime from your account — no contracts, no commitments, no penalties.
Can I skip, pause, or cancel my subscription?
Absolutely. You have full control over your subscription. Log into your account to skip your next delivery, pause your subscription for as long as you need, or cancel entirely — all with just a few clicks. There are no cancellation fees and no minimum number of orders required.
When will I be charged for my subscription?
You're charged when your order is placed, and then again before each scheduled delivery based on your chosen frequency. You'll always receive an email reminder before your next order ships, giving you time to make changes or skip if needed.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
GET STARTED
Ready to Feel Calm Again?
Clinically studied KSM-66® ashwagandha for daily wellness. Risk-free with our 90-day guarantee.
Start Your Journey — Risk Free
✓ 90-day guarantee
✓ Free shipping $75+
✓ Clinically studied KSM-66®