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How to Read a Lab Report Like a Pro

How to Read a Lab Report Like a Pro

September 26, 2025
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By MPXNJ

You don’t need a science degree to understand what’s in your cannabis. All you need is a little guidance and a good lab report. Lab reports tell the real story: cannabinoids, terpenes, purity, and potency. And once you know how to read one, you’ll be better equipped to find the right product for your needs.

Let’s walk through reading a lab report together.

What Is a Cannabis Lab Report?

Lab Reports, officially called Certificate of Analysis (COA), is your product’s resume. It breaks down what’s inside the product you’re about to consume, from THC and CBD percentages to terpene profiles, microbial safety, and more. It’s your ticket to informed, empowered shopping.

In New Jersey, COAs are required for all legal cannabis products. That means everything on our shelves at MPX NJ has been rigorously tested to meet state compliance standards. These results are issued by certified third-party labs, which means you can trust what you’re reading.

Transparency isn’t a trend here. It’s a promise.

Cannabinoid Content: More Than Just THC

When you look at a cannabis lab report, one of the first things you’ll see is cannabinoid content. Trust us, there’s more to look at than just THC. That bold number (like 20% THC) gives you a quick snapshot of how potent the product is expected to feel, but it’s only part of the story.

CBD is another big one to watch for, especially if you’re looking for balance, calm, or to soften the intensity of THC. But don’t sleep on the minor cannabinoids, compounds like CBG (which may promote alertness), CBN (commonly associated with relaxation), or THCV (known for a more uplifting vibe). Each of these plays a role in shaping your experience.

You’ll also notice terms like “total cannabinoids” (the combined percentage of all cannabinoids present) and individual cannabinoid breakdowns. Both matter. The total gives you the big picture, while the individual numbers help you understand the nuances.

Knowing this info helps you shop smarter and tailor your experience. Want something mellow and soothing? Look for balanced THC/CBD ratios. Seeking energy and clarity? Something with a splash of THCV or CBG might be up your alley.

 

Terpene Profile: The Real Flavor (and Feeling) Makers

Terpenes are the aromatic oils that give cannabis its scent, flavor, and its vibe. From citrusy bursts to earthy skunk, those delicious smells come from terpene compounds, and they do more than just smell good. They work alongside cannabinoids to shape how a product makes you feel.

When you look at a lab report, the terpene profile breaks down which terpenes are present and in what percentages. The higher the percentage, the stronger its influence. A product with 1% myrcene, for example, might lean more sedating. Something rich in limonene? You’re likely in for a mood boost.

Here are a few common terpenes and their usual effects:

  • Myrcene – Musky, herbal. Known for calming, couch-lock effects.
  • Limonene – Citrus-forward. Often described as uplifting or energizing.
  • Linalool – Floral and spicy. Associated with stress relief and relaxation.
  • Pinene – Fresh pine scent. Can promote alertness and mental clarity.
  • Caryophyllene – Peppery and spicy. Believed to support mood balance.

 

At MPX, we encourage customers to shop by terpene profile just as much as THC percentage. It’s a smarter way to dial in your experience. Looking to unwind after work? Try something dominant in myrcene or linalool. Want daytime focus? A limonene-forward strain might be your move.

Safety First: Contamination Testing

Every product on our shelves has gone through rigorous third-party lab testing, and that includes screening for harmful contaminants. These are the contaminants that lab reports are testing for:

  • Pesticides – Residues from harmful agricultural chemicals.
  • Heavy metals – Elements like lead, mercury, or arsenic from soil or equipment.
  • Mold and mildew – Especially important in flower and prerolls.
  • Residual solvents – Leftovers from extraction processes used in concentrates or vapes.

 

A clean product will have clear “Pass” markings or specific limits listed for each category. If you ever see “ND” (non-detectable), that’s a great sign. It means the substance wasn’t found at all.

While it’s easy to focus on THC % or terpene breakdown, safety matters just as much as potency. Contaminants can impact not just your high, but your health. That’s why we only carry products that meet or exceed New Jersey’s strict testing standards.

If you ever want to see the lab report on a product you’re buying, just ask. Our team’s always happy to break it down.

Interpreting the Numbers

Lab reports might look intimidating at first, but once you know what to look for, they become a powerful tool in choosing the right product.

You’ll often see charts, graphs, or tables summarizing the data. These visuals break down the percentages of cannabinoids and terpenes, so you can quickly compare product profiles. Look for:

  • Bar charts showing total THC/CBD vs. minor cannabinoids
  • Pie charts outlining terpene composition
  • Tables with exact potency data, moisture levels, and contaminants

Lab reports usually include a Batch ID and harvest or manufacturing date. For flower and prerolls, that date can give you a sense of how recently it was harvested and how well it’s been stored. Concentrates and edibles also include production dates that help you judge shelf life.

Freshness matters.

How to Compare Products

Two products might have the same THC percentage, but that’s only part of the picture. Use lab data to compare:

  • Terpene profiles for flavor and effect
  • Cannabinoid balance (e.g., high CBG or CBN)
  • Contaminant status for safety assurance

Understanding how to read lab reports is one of the best ways to shop with confidence and feel great about what you’re putting into your body.

Shop Smart and Feel Confident at MPX NJ

Understanding your cannabis starts with knowing what’s in it, and lab reports are your backstage pass to that knowledge. From cannabinoids to terpenes to safety screenings, each section helps you make smarter, more intentional choices. At MPX NJ, we’re here to guide you every step of the way. When you’re shopping with us, our products are backed by lab-tested transparency.

Visit MPX NJ today to explore our premium selection. If you want help interpreting a COA, just ask. We’ve got you.

The contents of this blog are intended for informational purposes only. Always seek the advice of a physician or other qualified healthcare provider with any questions you may have regarding a medical condition.

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