OPMS Silver Line Red Vein Maeng Da Kratom Capsules
OPMSRed Maeng Da, the OPMS Way
RED VEIN • MAENG DA • 0.6G CAPSULES • LAB TESTED
- A Classic Evening Red: The full bodied red Maeng Da that seasoned kratom customers reach for to unwind at night
- Batch Matched for Consistency: OPMS checks every batch's alkaloid profile and blends batches to match the content listed for the strain
- Pre Measured 0.6g Capsules: Plain leaf with no scale, no mess and no earthy taste
- Third Party Lab Tested: Every OPMS product is tested by an outside lab, from one of the longest running names in American kratom
- Easy to Dial In: Start low at about 2g (3 to 4 capsules) and stay within the label's max
Format
More From the OPMS Silver Line
The same batch matched standard in other vein colors and formats. Compare the green twin to this Maeng Da, a classic Sumatra red and loose powder for gram measurers.
Why OPMS
- Well over a decade on the American kratom market
- Known for a proprietary cold water extraction process that skips heat and harsh solvents
- Silver line batches are tested and blended to match each strain's listed alkaloid content
- Every OPMS product is third party lab tested
- Red, green, white and Super Green Borneo in one trusted line

OPMS Silver Line Green Vein Maeng Da Kratom Capsules
GREEN VEIN • CAPSULES
The green counterpart to this red, a daytime favorite
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OPMS Silver Line Red Sumatra Kratom Capsules
RED VEIN • CAPSULES
A classic Sumatra red, chosen for quiet evenings
View product
OPMS Silver Line Green Vein Malay Kratom Capsules
GREEN VEIN • CAPSULES
A long favored Malay green for daytime routines
View product
OPMS Silver Line Super Green Vein Borneo Kratom Capsules
SUPER GREEN • CAPSULES
The signature Borneo green, pre measured with no scale needed
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OPMS Silver Line Super Green Vein Borneo Kratom Powder
SUPER GREEN • POWDER
The same Borneo leaf, loose for those who measure by the gram
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OPMS Silver Line Red Sumatra Kratom Powder
RED VEIN • POWDER
Evening red in loose powder for flexible gram servings
View productShop All OPMS
Silver line capsules and powders, plus the Gold, Black and Red extracts
View the full lineup →OPMS Silver Line Red Vein Maeng Da Kratom Capsules
✓ Third Party Lab Tested ✓ Plain Leaf Red Maeng Da ✓ 0.6g per Capsule ✓ Batch Matched Alkaloids ✓ 4 Sizes
OPMS Silver Red Maeng Da is plain red leaf kratom from OPMS, one of the longest running names in American kratom. It comes in clean, pre-filled 0.6g capsules. Maeng Da is a strain experienced customers ask for by name. The red vein version is the one many of them keep for the evening, once the workday is behind them. OPMS tests every Silver batch and blends to match the alkaloid content listed for the strain, so each pouch lines up closely with the last. Choose from 30, 60, 120 or 240 capsules in a resealable pouch.
What Makes It Unique
- Leaf and Capsule, Nothing Else: Mitragyna speciosa leaf powder in a gelatin shell. That is the full ingredient list
- Batch Matched: OPMS checks each batch's alkaloid profile and blends to the strain's listed content
- Red Vein Maeng Da: One of the most requested strain names in kratom, in its red form
- Pre-Filled 0.6g Capsules: No scale, no scoop and none of the earthy taste of loose powder
- Lab Tested: Third party tested, like every product OPMS makes
Why People Reach For It
- An Evening Favorite: Red is the vein color customers choose for evenings and slow weekends
- Same Pouch, Every Time: Batch blending keeps the profile steady from one reorder to the next
- Taste Free: Swallow with water and skip the bitter leaf flavor entirely
- Travels Well: The resealable pouch fits a bag or glove box without fuss
- A Brand With Staying Power: More than a decade on American shelves
Four Pouch Sizes
- 30 Capsules (18g): The easy first pouch, and the simple way to try red Maeng Da from OPMS
- 60 Capsules (36g): A comfortable step up once you know this is your red
- 120 Capsules (72g): A well stocked pouch for fewer reorders
- 240 Capsules (144g): The biggest pouch in the line, made for regulars who keep red Maeng Da on hand
Why Trust OPMS
- Over a Decade in American Kratom: OPMS (Optimized Plant Mediated Solutions) has held its place longer than most brands on the market
- Built on Cold Water Extraction: The brand made its name with a proprietary cold water process for its extracts, designed to protect the leaf's natural alkaloids without heat or harsh solvents
- Consistency by Design: Silver batches are tested and blended to hit each strain's listed alkaloid content
- Third Party Lab Tested: Every OPMS product is tested by an independent lab
- A Tight, Focused Lineup: Silver plain leaf in red, green, white and Super Green Borneo, plus the concentrated Gold, Black and Red extracts
- Widely Recognized: One of the most widely carried kratom brands in the U.S.
Why Shop With Us
- Direct Manufacturer Relationships: We source straight from the brands we carry
- Guaranteed Authentic: 100% genuine OPMS in original sealed packaging
- Kratom Held to a Higher Bar: We stock kratom with American Kratom Association consumer standards in mind, and every kratom brand we carry is third party lab tested
- Fast, Discreet Shipping: Quick processing and plain, discreet packaging on every order
- Knowledgeable Staff: Real kratom know-how is a message away on our contact page
How to Use
- Start Low: Begin with 1 capsule (0.6g)
- Directions: Swallow with a glass of water
- Daily Maximum: No more than 4 Silver capsules in 24 hours
- Frequency: No more than 5 days per month. Not recommended for long term use or for multiple uses in a row
- Storage: Keep sealed in a cool, dry place away from sunlight, and reseal the pouch after each use
Frequently Asked Questions
What are OPMS Silver Line Red Vein Maeng Da Kratom Capsules?
How strong are Silver Line capsules?
How many capsules should I start with?
Why choose a red vein Maeng Da?
How is this different from OPMS Red Extract Capsules?
Are they lab tested?
How many servings are in a pouch?
What other OPMS Silver products do you carry?
What other red vein kratom capsules do you carry?
How should I store these capsules?
Ingredients
Active Ingredient: Mitragyna speciosa (kratom) leaf powder, red vein Maeng Da, 600mg per capsule
Other Ingredients: Gelatin capsule
Per Pouch: 30 ct (18g) | 60 ct (36g) | 120 ct (72g) | 240 ct (144g)
Label Alkaloid Figure: Commonly listed as 7.8mg mitragynine per capsule (1.3%). Check your pouch for the current batch figure
All OPMS kratom is third party lab tested for purity and potency. View COAs here.
Warnings (click to view)
Shipping Restrictions (click to view)
FDA Disclaimer: These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
- Product Type:
- Plain leaf kratom capsules, red vein Maeng Da
- Brand:
- OPMS (Silver Line)
- Package Quantity:
- 30 ct (18g), 60 ct (36g), 120 ct (72g) or 240 ct (144g) in a resealable pouch
- Strength:
- 600mg Mitragyna speciosa leaf powder per capsule
- Mitragynine Content:
- Commonly listed as 7.8mg mitragynine per capsule (1.3%). Check your pouch for the current batch figure
- Alkaloid Profile:
- Each batch tested and blended to match the strain's listed alkaloid content
- Processing Method:
- Plain leaf powder, not an extract
- Ingredients:
- Mitragyna speciosa leaf powder, gelatin capsule
- Use Limits:
- Start with 1 capsule. Maximum 4 capsules in 24 hours, no more than 5 days per month
- Suitable For:
- Adults 18+ only (21+ in Tennessee)
- Lab Testing:
- Third party lab tested by the manufacturer