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Yellow StrainKorthals' Collection No. 493 Yellow Borneo kratom capsules, 10 capsule bag
Korthals' Collection

No 493 Yellow Borneo Kratom Capsules

★ 5.0 · 2 reviews

Yellow Borneo kratom leaf, ready in pre-measured capsules.

$ 10.00Lab tested
  • Korthals' Collection No. 493 Yellow Borneo, a Yellow Strain kratom
  • Pre-filled capsules skip the scale, the scoop and the mixing
  • Five bag sizes: 10, 30, 90, 180 or 360 capsules

Start low, go slow. Wait at least an hour before taking more.

Larger sizes may ship as a combination of smaller bags of the same strain.

  • Discounted price on every refill
  • Skip, pause, or cancel anytime
  • Delivery on your schedule
Secure checkout 3rd-party lab tested

Like caffeine and sugar, kratom may be habit-forming. Use kratom responsibly and only as directed. Must be 21+ to purchase.

First time?

What to expect. Start low, go slow.

  • Start low.
  • Go slow. Wait at least an hour before taking more.

Must be 21+ to purchase. Like caffeine and sugar, kratom may be habit-forming. Use kratom responsibly and only as directed.

Overview

Korthals' Collection No. 493 Yellow Borneo is a Yellow Strain kratom, pre-measured in capsules. It may offer mood elevation, mild focus and clear energy, and many people choose it for mornings and afternoons. Five bag sizes run from 10 to 360 capsules.

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★ 5.0 · 2 reviews
Secure checkout 3rd-party lab tested
What's inside

Honest ingredients

The dried and milled leaf of Mitragyna speciosa, the kratom tree of Southeast Asia, filled into capsules. Mitragynine is the leaf's most abundant natural alkaloid.

How

How Does It Work?

Counting capsules replaces measuring powder: each one is pre-filled with Yellow Borneo leaf. Start low, go slow. Take them with water and wait at least an hour before taking more. Responses vary from person to person, so take your time finding the serving that suits you.

When

When Do I Use It?

Many people choose Yellow Borneo for mornings and afternoons, whether that means a desk day or a weekend of errands. Capsules are easy to carry and skip the taste of raw powder, which makes them handy away from home.

Kratom Strain

Choose your strain

Prefer powder? Shop No 193 Yellow Borneo Kratom Powder

Good to know

Questions, answered

Which strain line does No. 493 Yellow Borneo belong to?

The spectrum runs White, Aged, Mixed, Green, Yellow, Orange and Red. No. 493 Yellow Borneo is printed as a Yellow Strain, fifth of the seven, between Green and Orange. Many people choose it for mornings and afternoons.

How should I start with Yellow Borneo?

Start low, go slow, and take them with water. Wait at least an hour before you decide on more. Like caffeine and sugar, kratom may be habit-forming. Use kratom responsibly and only as directed.

What sizes does Yellow Borneo come in?

Five bags: 10, 30, 90, 180 and 360 capsules. The 10 capsule bag is five 2-capsule servings, a simple way to try the strain, and each larger bag costs less per capsule. Subscribe and save with deliveries every 7, 14 or 30 days.

Is No. 493 Yellow Borneo lab tested?

Yes, as part of our yellow kratom testing. Murray-Brown Laboratories, an independent lab, tested a sample described as Korthals Yellow Kratom for its alkaloid content; the certificate is dated December 2025. Our Test Results page lists that same certificate for several strains, including Yellow Borneo, so it is not a test of No. 493 alone. It is also linked on this page.

How do I keep the capsules fresh?

Close the bag tightly and keep it in a cool, dry spot away from direct sunlight. Keep it out of reach of children and pets.

What is kratom?

Kratom comes from the leaves of the Mitragyna speciosa tree, native to Southeast Asia, where it has been part of daily life for centuries. The leaf is dried and milled into powder, then packed into capsules, brewed, or made into extracts. Its natural leaf compounds are called alkaloids, and mitragynine is the most abundant one.

How should I start with kratom?

There is no single answer, because everyone responds differently. Start low, go slow, and give it time before deciding on more. A small kitchen scale helps if you are using powder. Like caffeine and sugar, kratom may be habit-forming. Use kratom responsibly and only as directed.

How long should I wait before taking more?

Everyone responds differently, so there is no set timeline. Start low, go slow: wait at least an hour after capsules, and at least 30 minutes after other formats, before taking more.

Can you ship kratom to my state?

We cannot ship kratom to Tennessee. Kratom is also restricted in a handful of other states and in some counties and cities. Our checkout will flag an address we are not able to ship kratom to, and the current list of restricted areas is in our site footer. If you are in a restricted area, our stores and our non-kratom selection are still open to you.

Can I pick it up in store?

Many kratom items are available for in-store pickup, and shelf selection can differ from what is online. Choose the pickup option on this page or at checkout to see which nearby locations have it in stock.

Free Shipping Over $100

Free shipping on orders over $100, exclusions apply. In-store pickup and local delivery at CBD Kratom stores.

Lab-Tested Quality

Independent lab results from Murray-Brown Laboratories are linked on this page.

Subscriptions Available

Subscribe and save on deliveries every 7, 14 or 30 days. Change or cancel anytime from your account.

Ready when you are.

Choose your size
No. 493 Yellow Borneo Capsules$ 10.00