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Green VeinKorthals' Collection No. 445 Green Borneo kratom capsules, 10 capsule bag
Korthals' Collection

No 445 Green Borneo Kratom Capsules

★ 4.33 · 3 reviews

Green Borneo kratom leaf, pre-measured into capsules for the working day.

$ 10.00Lab tested
  • Korthals' Collection No. 445 Green Borneo, Green Vein kratom
  • Pre-filled leaf capsules, so there is no scale, scoop, or 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. 445 Green Borneo is a Green Vein kratom in pre-measured capsules. Green Borneo may enhance focus and boost energy, offering a balanced blend of concentration and physical comfort.

Verified
★ 4.33 · 3 reviews
Secure checkout 3rd-party lab tested
What's inside

Honest ingredients

The dried, milled leaf of Mitragyna speciosa, the kratom tree, sealed inside each Green Borneo capsule. Of the leaf's natural alkaloids, mitragynine is the most abundant.

How

How Does It Work?

Green Borneo is kratom leaf powder in pre-measured capsules, so you count capsules rather than weigh powder. Start low, go slow. Take them with water and wait at least an hour before deciding on more. Responses vary from person to person.

When

When Do I Use It?

Many people reach for Green Borneo during the working day, from the morning into the afternoon. A bag tucks into a desk drawer or work bag, with no powder to measure or taste.

Kratom Strain

Choose your strain

Prefer powder? Shop No 145 Green Borneo Kratom Powder

Good to know

Questions, answered

Where does Green Borneo land on the strain spectrum?

Right in the middle. The bag prints Green Vein, and green is fourth of seven on our kratom strain spectrum: White, Aged, Mixed, Green, Yellow, Orange, and Red. Many people choose Green Borneo for the working day.

How should I start with Green Borneo?

Start low, go slow, and take them with water. Give it 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.

Which size is right for me?

To try Green Borneo, the 10 capsule bag is the smallest size. If it becomes a regular, larger bags cost less per capsule, and you can subscribe and save on deliveries every 7, 14 or 30 days.

Is Green Borneo third-party lab tested?

Yes, as part of our green kratom testing. Murray-Brown Laboratories, an independent lab, tested a sample described as Korthals Green Kratom for its alkaloid content; the certificate is dated December 2025. Our Test Results page lists that same certificate for several strains, including Green Borneo, so it is not a test of No. 445 alone. It is also linked on this page.

How should I keep Green Borneo capsules?

Store the sealed bag in a cool, dry place away from direct sunlight, and 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. 445 Green Borneo Capsules$ 10.00