A Review of O.P.M.S. Silver Extract

November 29, 2018 Articles, Kratom Alkaloids, Kratom Research, Kratom Reviews

It’s no secret that I’m not the biggest fan of O.P.M.S. As a wholesale brand, OPMS caters to the smoke shop circuit and anyone who’s read this blog on the reg knows how I feel about smoke shop kratom.

In the past, we’ve covered smoke shops and head shops in our guides to where to purchase kratom locally. In each of these posts, I’ve spelled out exactly what makes smoke shop kratom products undesirable compared to buying kratom online.

It all boils down to lack of proper information; lots of companies, OPMS included, fail to provide customers with detailed information about their ingredients and where they source their kratom leaf from. As a result, more and more people end up with bunk product or, worse, adulterated kratom.

With its current surge in popularity, I decided to take a closer look at OPMS Silver Extract as it has only recently been brought to market. Let’s explore this in more depth, shall we?


OPMS is an alcohol-based kratom extract that is also available in capsule form. It is said to contain substantial concentrations of kratom’s active alkaloids and flavonoids. Supposedly, it is an extremely strong extract because the company claims to use a process by which a staggeringly high 95% of the kratom leaf’s alkaloid content is preserved.

For those familiar with kratom extracts, this would seem hard to believe as most kratom extracts, such as kratom 20x extract (20:1) or kratom 50x (50:1) extract, are prepared by using a massive number of kratom leaves to render a single gram of kratom extract.

This begs the question: How many kratom leaves were used to make OPMS Silver? One would imagine it is quite a lot, but they’d have no way of knowing since the company behind the product does not disclose this information on their packaging.

This is the inherent problem with wholesale kratom brands—they are not transparent about their content or the methods by which they are produced. Since kratom has not been approved for use by the FDA, it remains unregulated which poses a problem for the consumer who does not know what they are going to get.


O.P.M.S. Silver has been used to manage anxiety, relieve stress, enhance athletic performance, sharpen focus and boost clean energy. It is advertised for its anxiolytic and nootropic properties, although there is no way of corroborating these claims.

Due to the presence of high levels of mitragynine, it is said to improve mood and alleviate inflammation, but again, there is no way to prove its efficacy in these areas without independent lab testing.


As with any kratom products, OPMS Silver has the potential to cause a number of adverse effects. These unwanted side effects may include any or all of the following:

  • Nausea
  • Vomiting
  • Diarrhea
  • Lethargy
  • Muscle cramps
  • Constricted pupils
  • Sweating
  • Skin rash
  • Agitation
  • Insomnia
  • Anxiety
  • Kratom headache
  • Kratom hangover
  • Constipation

Since OPMS Silver is supposedly stronger than other kratom extracts, the likelihood of its potentiating such undesirable effects is greater than with traditional kratom powder or kratom capsules. There is also reason to believe that it may increase the risk of kratom tolerance as it is richer in mitragynine.


This is where OPMS really craps the proverbial bed IMO; it is one of the most mind-bogglingly expensive kratom products on the market. OPMS capsules sell for around $15 for a two-pack, meaning that those who buy them from a smoke shop or paying approximately $7 before tax for a single capsule. That’s outrageous by any standards!

Alternately, some wholesalers will offer it for $3-4 for a single pill, but as we all know, the average user has to take way more than one kratom capsule to achieve any results.


Those who have taken it point to 5-7 capsules as inducing mild effects while many say that 8-10 is the sweet spot. For those who have acclimated to kratom extracts, 12-15 capsules is expected to produce stronger effects.

Just think about that in terms of what you’re going to be spending. If it takes 15 capsules for some users to attain substantial effects, you can expect to spend around $225 for one measly dosage.


User reactions to OPMS Silver have been almost unanimously negative. One user on Reddit wrote, “So I ran short of kratom and against my better judgment went to a head shop and along with some unknown Bali I picked up a pack of 15grams of O.M.P.S Silver. I now firmly believe that they are putting something in their kratom.

“I don’t know what it is but it left me with tense muscles in my entire body and just an overall shifty feeling. I knew better than to buy it but I wanted to see how it compared to other kratom.”

He was quick to admonish the rest of the community against purchasing it, saying, “Stay the f*ck away from that shit everyone.”

Some have suggested that OPMS Silver used to be good, but they suspect that the company changed the formula. Another user even went so far as to claim that OPMS Silver isn’t even a real extract, rather it is just a plain form of kratom leaf with fancier packaging.

Over at I Love Kratom, yet another user said, “…the extract is VERY Strong…. Suspiciously strong..I think there may be other things in it..either way..wait the 2 days and order from a vendor here…the prices OPMS charge should be illegal.

“If your set on extracts, buy plain leaf in bulk and extract your own, it’s fairly easy and way better than any 000x you’ll buy. Plus you know what your getting.”


O.P.M.S. Silver Extract does not appear to be a legitimate kratom product and many users are under the suspicion that it is laced with another compound. This coupled with the ridiculous pricing spells trouble. It’s best to stick to trusted brands and avoid the loftier risk associated with this extract. Be safe, be smart and be well.

Bob Freville
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