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Frequent Asked Questions

Q. What parts of the body can it be used on?

A. Tendlite® is used for arthritis and pain relief for muscles and joints such as fingers, ankles, shoulders, knees, etc. It may also be used for meridians and acupressure points.

Q. Is it safe?

A. Yes, the wavelengths used by the Tendlite® are within the normal visible spectrum of light, but with no harmful UV rays.

Q. Is there any scientific research to back it up?

A. Studies have shown that Red Phototherapy is effective for temporary relief of minor muscle and joint pain, arthritis and muscle spasm, relieving stiffness, promoting relaxation of muscle tissue, and temporarily increasing local blood circulation where heat is indicated.

Q. Are there any other benefits?

A. There are numerous studies which show that 660 nm LED is also effective in promoting healing in various injuries and medical conditions. Much research is ongoing.

Q. How does it work?

A. LED Phototherapy is a highly effective method of delivering therapeutic light energy as well as increased circulation to the tissue of the treatment area. LED Phototherapy is becoming a more and more popular treatment among physical therapists and sports trainers.

Q. What separates Tendlite® from other products?

A. Tendlite® delivers approximately 3 to 5 times more optical output of power than leading competitive products, which puts it on a par with some professional machines in terms of output power, providing a faster more effective delivery.

Q. If I have a serious injury should I rely on the Tendlite®?

A. No. Always consult a physician first for severe injuries or any serious medical condition.

Q. Can Tendlite be used for osteoporosis?

A. Unfortunately, we have not conducted studies using Tendlite for osteoporosis. Therefore, we can not legally make a recommendation for that specific use.

Q. Can Tendlite be used for dementia?

A. No, the Tendlite is intended for joint and muscle pain relief.

Q. Can Tendlite be used for weight reduction?

A. No, the Tendlite is intended for joint and muscle pain relief.

Q. Can Tendlite be used for TMJ?

A. Unfortunately, we have not conducted studies using Tendlite for TMJ. Therefore, we can not legally make a recommendation for that specific use.

Q. Can I use this device on my pet / dog / cat?

A. The Tendlite is FDA cleared with indications for pain relief of various types, but the Tendlite has not been studied in animals. The LED light is very safe and not contraindicated in pets. You are welcome to try, but we are not allowed to make a direct claim that the Tendlite will heal your pet's condition.

Q. Where can I find the warranty registration form? / Where can I register my item? / How do I activate the device warranty

A. You can register your device on this page

Q. Is it required to wear protective glasses every time I use the device?

A. We recommend using protective glasses as added protection. Staring directly into any light source may hurt the eye. Please note that this device is even safer than the sunlight because it does not have UVA, UVB or UVC waves.

Q. How do you ship?

A. You can find our shipping and returns policy here

Q. Where can I find the user manual?

A. You can view our online manual on this page

Q. How often should I use the light?

A. We recommend up to 2 minutes per area 3 times per day.

Q. Do you sell replacement parts?

A. The Tendlite® units have no customer serviceable parts. If you encounter any problems with the device please check the troubleshooting information HERE.

Q. Can I purchase extra goggles, case and holster?

A. Unfortunately, we do not sell these accessories.

Q. Do you have instructions for the application?

A. You can find our usage guidelines HERE.

Q. How do I troubleshoot if I encounter a problem with my device?

A. You can view our troubleshooting guide HERE.

Q. Do you sell light pads?

A. No, unfortunately, we only sell one model at this time.

Q. Do you sell replacement bulbs?

A. No, we do not sell replacement parts. However, the bulb has a 5-year limited warranty. If this bulb does not operate for 5 years from the date of purchase when used as directed, contact us to return the device.

Q. Do you deliver / ship to Canada?

A. Yes, shipping to cost $19.95. Shipping time to Canada is 6-10 business days (USPS).

Q. Do you deliver / ship to United Kingdom / India / International?

A. Yes, shipping to cost $35.99. International shipping time is usually around 2-3 business weeks (USPS).

Q. Can I use skin cream with the device?

A. We instruct to remove all creams or lotions before using the light. If you have residue of sunscreens cream, lotions, etc. the light may interact with the cream.

Q. Can this red light therapy help with wrinkles or skin rejuvenation?

A. The Tendlite® device is intended to deliver relief of joint and muscle pain, relieving stiffness, promoting relaxation of the muscle tissue and to temporarily increase local blood circulation.

We do not make any claims regarding wrinkles or skin rejuvenation

Q. What does it mean when the battery charger is flashing red and green.

A. Flashing/blinking light on the charger indicates that the charging is active. The light will be solid green to indicate a full charge.

Q. How long to recharge the battery?

A. These long life batteries take a very long time to charge (up to 24 hrs) as they have high capacity and charge slowly to preserve battery life.

Q. Are there any safety precautions?

A. You can find the safety precautions HERE

Q. How long should the treatment last?

A. Please check HERE for more information

Q. Do you offer COD (Cash on Delivery)?

A. Unfortunately we do not offer COD.

Q. Is the device laser / infrared?

A. No, the Tendlite uses Red LED Light technology so it is completely safe. It will not harm you whatsoever.

Q. What's included in the Tendlite kit?



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Product Description

The Ultimate High Power Pain Relief Device
As Powerful as Comparable Devices that sells for Thousands of Dollars. Medical Clinic strength treatments from the comfort of your home.
Affordable Professional Equipment
Tendlite® is made of durable stainless steel, is small and light weight, ideal to be able to take anywhere, yet more powerful than some machines costing much more.