Ashwagandha, matched to what you need.

One clinically studied root at the full dose, researched for stress, sleep, focus, mood, and performance. Pick your reason, pick your supply.

600mg
Full clinical dose
5%
Withanolides
90
Capsules per bottle
◆ KSM-66® Root Extract · 90 caps

KSM-66® Ashwagandha

600 mg of the gold standard, root only extract, standardized to 5% withanolides. One ingredient does all of the above. The only choice is how much you keep on hand.

  • Dose600 mg per serving (2 capsules)
  • ExtractKSM-66®, root only · 5% withanolides
  • Supply90 capsules · 45 day supply
  • TestedThird party · purity, potency, heavy metals
  • MadeGMP facility · vegan capsules
Optibio KSM-66 Ashwagandha bottles
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Third party testedPurity + potency
Free shippingOn 3+ bottles
Easy routine2 capsules daily

Reach for Optibio if you...

KSM-66® is an adaptogen. It supports the systems that manage your stress response rather than masking symptoms.

Feel wired but tired. Stressed during the day, restless at night.

Carry tension into sleep and wake before the alarm.

Want calmer focus without the jitter of more caffeine.

Notice a shorter fuse during high pressure weeks.

Train hard and want better recovery and endurance.

Prefer one studied ingredient over a 12 item "stress blend."

"Calm without the fog. I'm just less reactive, to email, to traffic, to everything."

Ben K. · Customer · Day 28

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