SPM vs omega-3: what really sets them apart

The evolution of omega-3: discover bioactive SPM.

If you take omega-3 to look after your joints or to recover better from physical effort, chances are you have heard about SPM. Both come from marine oils, but their roles are different.

What an omega-3 really provides

A conventional omega-3 supplement provides two fatty acids: EPA and DHA. They are the raw material the body uses for many functions — among them, producing the molecules involved in the resolution of inflammation.

The key words are raw material. EPA and DHA are precursors: before an inflammatory response can be brought to a close, the body has to convert them enzymatically into SPM. That conversion happens, but not with the same efficiency in everyone. Age, diet, genetics and overall metabolic health all influence how much of it the body puts to use.

Omega-3 is the starting point. SPM represent the next stage of the process.

Where SPM come in

Specialized Pro-Resolving Mediators (SPM) are the molecules at the end of that conversion: 18-HEPE, 17-HDHA and 14-HDHA. They are what the body actually uses to close the inflammatory response and return to balance.

It helps to understand that inflammation is not a failure. It is a protective response that clears damaged cells and starts repair. But for recovery to be complete, that response has to be resolved actively, not simply switched off. SPM are in charge of that final step.

An SPM supplement is concentrated and standardised to deliver those mediators directly, instead of providing the precursors and depending on each person’s capacity to convert them.

So, which one is better?

It depends on what you want it for.

An omega-3 is a foundational food supplement. If you are after a general intake of fatty acids for overall wellbeing, it does that job at a low cost per dose.

A specific SPM supplement such as Lipinova® supports the resolution of inflammation after effort or daily wear: it acts further along the same pathway and does not depend on each body’s conversion efficiency.

They are not mutually exclusive, nor should they be read as better or worse than each other. Each plays a different role: omega-3 offers general support, while SPM act more specifically on the resolution of inflammation. The choice depends on what you need.

How long until you notice it?

This is where the main difference lies.

Because omega-3 requires conversion, reaching relevant levels of mediators takes time — usually months of consistent intake — and varies considerably from person to person.

With standardised SPM such as Lipinova®, that step is shortened. Clinical studies with SPM-standardised ingredients have described changes between the first and the fourth week, depending on the person and their level of physical demand.

Neither produces immediate effects. SPM, however, act on a later phase of the biological process, so the results tend to be noticed sooner.

*Irún P et al. Int J Mol Sci. 2023;24(22):16143.

*Dyerberg J et al. Prostaglandins, Leukotrienes and Essential Fatty Acids. 2010;83(3):137-41.

Not every product that mentions SPM reflects the same level of scientific development.

To understand what sets the most advanced formulations apart, there are four key factors worth looking at.

Standardisation in the specific markers.

The product should state its content of 18-HEPE, 17-HDHA and 14-HDHA. If the label only says SPM without quantifying the mediators, there is no way to know what you are taking.

Research on the ingredient itself.

Many products point to the broad research on SPM, which is extensive and comes from prestigious institutions. That is not the same as having studied the specific ingredient in your hands.

Independent batch testing.

Third-party verification confirms that the label matches the contents. For athletes subject to anti-doping controls, dedicated programmes add screening for banned substances.

A fourth point is the chemical form.

Omega-3 oils come as ethyl esters or in triglyceride form. Triglyceride omega-3 is the form naturally present in fish and is absorbed better, with no need to take it with food.

An omega-3 provides the starting materials. An SPM supplement provides the mediators already formed. If you want general omega-3 support, a conventional supplement covers it. If what you want is to specifically support the resolution of inflammation, SPM act at the point where that response is completed.