Shopping for kratom, whether it’s your first time or you’re a certified enthusiast, can get confusing with all the different terminology. Find all the answers you need in one place: the Royal Kratom glossary. Here, we’ll briefly explain what each term means. For more in-depth information about all things kratom, we invite you to explore our kratom blog. There, we’ll go into detail about tips for beginners, advice on where to buy kratom, updates on the legality of kratom, and more. We strive to make shopping for kratom as easy as possible with comprehensive information, free same-day shipping, and searchable lab test results. Ready to explore? Buy kratom online now!



This is an alkaloid found in kratom leaves. 7-hydroxymitragynine is found in less mature kratom at higher levels, like white vein kratom. Kratom connoisseurs report this alkaloid to have energizing and focusing qualities.



Alkaloids are naturally occurring nitrogenous compounds found in plants. They are known to have a physiological effect on humans and animals. Some common alkaloids include caffeine and mitragynine.

American Kratom Association (AKA)

The AKA is a non-profit organization that supports regulations that would ensure Americans can legally consume safe and properly manufactured kratom.


Bali Kratom

Bali kratom is a strain originally native to the coastlines of Bali in Indonesia. This is one of the oldest strains with a long history of popularity on the planet.



Capsules, in the context of kratom, are shells filled with kratom powder. At Royal Kratom, our kratom capsules for sale use shells that are made of gelatin.


Diamond Kratom

Diamond Kratom is Royal Kratom’s most concentrated extract. These extract capsules contain 80% mitragynine.



Kratom extracts are more concentrated and potent than kratom powders or capsules. The extraction process isolates and amplifies the active alkaloids in the kratom leaves. These products are best suited for those who have already experienced kratom before.


Gold Kratom

Gold Kratom is not a vein color but instead refers to an enhanced Royal Kratom product. It contains our highest level of mitragynine at 1.5% or more. This product is not recommended for beginners.

Green Vein Kratom

Green vein kratom is the middle ground of all the vein colors, as it’s harvested from leaves that are still in the process of maturing. It overlaps qualities of both red vein and white vein kratom as a result. Many people who shop for green vein kratom report a mild energy boost while soothing mild discomfort.


Indo Kratom

Indo kratom is short for Indonesian kratom and is highly recommended for those who have never tried kratom before. It is native to the island of Sumatra.


Kratom colors

Kratom colors refer to the vein color on the leaves before they are harvested. Each kratom color has unique traits. The only naturally occurring kratom colors are red, green, and white. To learn more, check out our guide to kratom colors.

Kratom Consumer Protection Act (KCPA)

The KCPA is a bill that has passed in many states that places regulations on the sale and purchase of kratom to protect consumers from impure kratom products. Royal Kratom products all follow KCPA regulations.


Maeng Da

Maeng Da is a strain of kratom known for being particularly strong. The name “Maeng Da” loosely translates to “pimp strength.” This is a very popular kratom variety.


Mitragynine is one of the alkaloids found in kratom leaves. More mature kratom, such as red vein, contains higher levels of mitragynine. Kratom enthusiasts often associate this alkaloid with calm and relaxation.

Mitragyna speciosa

This is the scientific name of the kratom tree from which kratom leaves are harvested.



This is the most common form in which kratom is sold. When kratom leaves are harvested, they are dried up and then ground into a very fine powder. Kratom powders are great for beginners and connoisseurs alike.


Rainbow Kratom

Rainbow kratom is a popular option unique to Royal Kratom. This is our signature blend of the various kratom vein colors to combine the best qualities of each into one ideal product.

Red Vein Kratom

Red vein kratom is one of the most popular vein colors. This refers to the most mature kratom leaves, which feature slightly red stems and leaf veins. Customers who love red vein kratom often report feelings of relaxation, easing of daily aches, and calming of busy minds.

Rubiaceae family

This is the plant family that the kratom tree falls under. Notably, this is the same family that coffee trees are members of as well.


Silver Kratom

Silver Kratom is a form of enhanced kratom named by Royal Kratom. This contains our second-highest level of mitragynine at 1.2% or more. We do not recommend beginners start with Silver Kratom.


Kratom strains refer to the processes in which kratom is grown and harvested. Factors such as the environment, cultivation methods, and soil impact the strain of kratom. Our guide to kratom strains dives into more detail.


Thai Kratom

Thai kratom holds many similarities to Bali kratom and is native to Thailand. This strain is ideal for beginners.

Third-party lab testing

The testing of a product by a company different from the manufacturer of the product. All kratom products should undergo third-party lab testing for plant-related issues such as mold or bacteria as well as quality assurance in alkaloid levels. You can view Royal Kratom lab results online.


Tinctures are concentrated extracts made by soaking a plant product in alcohol or vinegar. Kratom tinctures use kratom leaves for this purpose, which concentrates the alkaloids as a liquid. Due to the higher concentration, tinctures are better choices for kratom enthusiasts who already know what they like.


White Vein Kratom

White vein kratom is harvested from the least mature kratom leaves that still have white leaf veins. This vein is often claimed by customers to be a coffee alternative, and those customers report improvements in focus and stamina.