When I first heard about products using red light therapy, I was curious but skeptical, especially given the number of wellness gadgets out there that make big promises and deliver very little. I started seeing them in stores and I was excited when PRUNGO sent me the FluxGo to test it out. The product is designed to target aches, joint pain, and muscle soreness; I’ve tested it for about a month to see if it is really effective.
Disclosure: We received the product as a courtesy for review purposes. However, the review is intended to provide honest, unbiased insights about the product, based on personal experiences and observations.
Red Light Therapy: Safety and Effectiveness
It’s important to understand the science behind red light therapy (RLT) and why it’s become such a buzzword in recovery, wellness, and pain management circles. RLT refers to exposing the body to low-level wavelengths of red or near-infrared light. Unlike UV light, which can be damaging to skin cells, red and near-infrared wavelengths have been studied for decades for their therapeutic benefits without harmful side effects when used appropriately. These wavelengths penetrate the skin and are thought to interact with cells in a way that can help boost cellular energy, improve circulation, and reduce inflammation.
From a safety standpoint, red light therapy is generally considered non-invasive and very safe when used as directed. The technology used in consumer devices typically avoids harmful ultraviolet exposure entirely and, when engineered properly, operates at intensities that minimize risk. The PRUNGO FluxGo’s own materials state that it’s designed with specific therapeutic wavelengths and no harmful UV output, so the only sensation you should notice is a gentle warmth, not heat or burning.

Effectiveness is where you’ll see mixed responses – both in clinical research and user experiences. In controlled studies, red light therapy has shown promise in reducing pain and swelling, particularly for musculoskeletal conditions, though results can vary significantly between individuals. Many users report improvements in chronic stiffness, quicker post-workout recovery, and reduced soreness over time.
My own view is that red light therapy isn’t a magical cure-all but like many recovery tools, consistency and use in the right context are key. It feels most beneficial when used regularly (daily or almost daily) and integrated with overall movement, rest, and strength work.
PRUNGO FluxGo
First Impressions & Box Contents
Right out of the box, the FluxGo gave a solid first impression. Packaging is well-organized with all components neatly seated and easy to identify. In the box, you’ll find 3 red light modules, straps and clips for securing modules, a charging carrying case, charging cables and documentation.
Compared to some competitors, I like the modular approach as it gives flexibility for different body parts and types of discomfort.

Setting Up & First Use
Putting FluxGo together couldn’t be simpler. After unpacking, you slide each module into its designated spot on the straps, choose the mode you want (mild, mid, strong), and hit start. The system is designed to be wireless once charged, so we don’t need to be close to a wall outlet while using it.

Charging was straightforward as I just need to pop the modules into the carrying case, close the lid, and let them power up. Each module uses a rechargeable lithium-ion battery, and having a case means I don’t have to worry about handling different cables to charge these 3 modules. The case itself has enough battery capacity to recharge the modules multiple times.
Real-World Experience
The FluxGo is FDA-cleared, which means it meets specific safety and performance standards for its intended use. It does not mean the device is “FDA approved” in the same way as a prescription drug, but it does indicate that the technology has been evaluated and determined to be as safe and effective as a similar, already-approved device. All of these products should just be labeled as FDA-cleared because it applies to home-use products with low-to-moderate risk of harm.
In regular use, FluxGo feels comfortable and effective when applied around joints or larger muscle groups. I personally noticed that after a week or so of consistent use, stiffness and occasional soreness felt easier to manage, especially when I woke up in the morning. The combination of warmth and focused light seems to help relieve my discomfort. I often use 1 module for my wrist, 2 modules for my knees, and 3 modules on my back.

I also like using it on my lower back in the evening after sitting at a desk for most of the day, which helps ease that tight, stiff feeling. After workouts, I sometimes place the modules around my knees to help with muscle soreness. Because the modules are compact and wireless, it’s easy to wear them while working or relaxing on the couch, reading, or even doing light tasks around the house. This makes it feel less like a medical treatment and more like a simple wellness habit.
The warmth and targeted sessions seem to loosen the area and reduce that tight feeling on my back. But I can’t say with 100% certainty that all the improvement is solely because of the device. I’ve also been more mindful about stretching, moving throughout the day, changing my diet, and improving my posture, so it’s likely a combination of factors.

Final Thoughts
All in all, the PRUNGO FluxGo is a simple portable red light therapy system for home use. While results will vary by person and condition, my experience is good enough and you might want to consider it, especially if you’re serious about pain management and recovery support without invasive treatments.



