Evening red bulb Mitochondriak® Gu10

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€27,45 €22,32 excl. VAT Measure price:
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02/11/2026
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Practical indoor bulb with warm red light for better, undisturbed sleep. The bulb is flicker-free, has no blue and green light, has a GU10 base socket, and is energy-efficient (5 W), so it is suitable for every household. Lifespan: 25,000–50,000 hours. 

It is especially suitable for the evening in the bedroom, rooms, or hallway, for adults and children. In the evening, the warm red light does not suppress melatonin and respects your circadian rhythm.

✅ Zero blue and green light.
✅ Practically flicker-free (flicker index 0.01, measured).
✅ Gu10 base socket.
✅ For better sleep in the evening!

Night      Sleep      Zero blue light      Circadian rhythm

Better sleep          For babies         Zero blue light    Circadian rhythm

 

Detailed information

Product detailed description

Improve your sleep with a safe red light bulb that emits no blue light.

Our new, practical indoor bulb with warm red light for better, uninterrupted sleep. The bulb is flicker-free, fits a GU10 base, and is energy-saving (5 W), so it suits every household. It’s ideal mainly in the evening for bedrooms, living spaces or hallways, for both adults and babies.

The bulb emits no blue or green light and is practically flicker-free (flicker index 0.01, measured). In the evening it does not suppress melatonin and supports uninterrupted sleep and a natural circadian rhythm. The bulb is a great alternative to our red E27 bulb or red E14 bulb.

✅ Respects your circadian rhythm in the evening.
✅ Energy-saving.
✅ No blue light and no flicker.
✅ GU10 base.
✅ Wake up feeling refreshed and energized.
Mitochondriak GU10 red light bulb – illustrative image Mitochondriak GU10 red light bulb – illustrative image

Red bulb GU10 under the spectrometer: Mitochondriak Lab measurement

We don't guess, we measure. We measured the spot bulb in a dark room with two certified spectrometers at 30 cm on the beam axis. The spectral peak sits at 633 nm.

  • Blue light below 500 nm: practically 0 %
  • Signal to the body clock: 71× weaker than an ordinary white LED at the same lux
  • Illuminance at 30 cm on the beam axis: 2,814–3,341 lx
  • Flicker: flicker-free, flicker index 0.01

The GU10 concentrates light into a beam, so it belongs in ceiling and spot fittings, further from the eyes.

Technical data: GU10 base, 5 W, luminous flux approx. 140 lm, AC 110–240 V, not dimmable, lifespan 25,000–50,000 hours. All parameters are listed in the Specification tab.

Show all measured values
Spectral peak (measured)633 nm (red)
Blue light below 500 nm (measured)practically 0 % (the measured 0.06 % is the spectrometer's background noise)
Signal to the body clock (circadian rhythm, CIE S 026)71× weaker than an ordinary white LED at the same lux
Flicker (measured)flicker index 0.01, fluctuation below 3 % – practically flicker-free
Spectral width FWHM (measured)76 nm (604–679 nm)
Dominant wavelength (measured)613 nm
Light above 620 nm (measured)79 % of energy
Blue and green light below 550 nm (measured)practically 0 % (the measured 0.07 % is the spectrometer's background noise)
Illuminance (measured)2,814–3,341 lx at 30 cm on the beam axis
Irradiance 380–780 nm (measured)19.3–20.4 W/m² at 30 cm
CIE 1931 chromaticity (measured)x 0.674 / y 0.324
Colour purity (measured)99 %
MeasurementMitochondriak Lab, 21 Oct 2026, 2 spectrometers, 30 cm, dark room

Measured with a certified OHSP-350UVF spectrometer and a second certified UPRtek CV600 spectrometer with calibration certificate (Mitochondriak Lab, 21 Oct 2026).

Download: measurement report (PDF) and spectral data (CSV).

Red bulb GU10 Mitochondriak®: spectrum under the spectrometer, blue light practically 0 % Red bulb GU10 Mitochondriak® measured with two certified spectrometers Spectra of Mitochondriak® red lights: E27 656 nm, E14 632 nm, GU10 633 nm, night light 631 nm

Mitochondriak® GU10 red light bulb = zero blue light + flicker-free

Let’s STOP artificial blue light — especially in the evening!

Exposure to natural daylight helps regulate (and reset) our circadian rhythm and supports alertness, while darkness and the absence of blue light in the evening signal the body to start producing melatonin, the hormone that regulates sleep.

That’s why it’s important to pay attention to appropriate lighting not only during the day but also in the evening (or at night if you get up). 

Thanks to its practically flicker-free light (flicker index 0.01, measured), our GU10 red light bulb provides calming evening lighting — an ideal choice at home after sunset.

Evening red bulb GU10 Mitochondriak®

How to use the Mitochondriak® red light bulb?

Simply place the bulb into GU10 spot fixtures and enjoy a cozy evening atmosphere.

  • Use it in the last 2–3 hours before bedtime instead of common cool-white LEDs that emit blue light. 

You can combine it with blue-light-blocking glasses or the Mitochondriak® RED motion sensor to create the perfect atmosphere at home and enjoy quality sleep.

Read more about the impact of blue light on sleep in this article. And if you’re interested in more practical tips to improve your sleep beyond red light therapy, check out this article.

OHSP-350UVF spectrometer display: spectrum of the red bulb GU10 Mitochondriak®, Mitochondriak Lab measurement

WHAT’S INCLUDED (IN THE BOX):

  • 1× Mitochondriak® GU10 red light bulb 
  • 1× Box
  • ✔️ Better sleep
  • ✔️ Satisfaction guarantee (Return within 30 days)
  • ❌ No blue or green light 
Red bulb GU10 Mitochondriak® with its new box Box of the red bulb GU10 Mitochondriak®, front view

WHY SHOULD WE BLOCK BLUE LIGHT?

Mitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutions Mitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutions

Do you often watch TV late into the night or work at your computer? Maybe your eyes feel tired or your sleep feels worse. Screens and many modern light sources emit a high share of blue light. We cannot avoid it completely, but in the evening we can reduce it, for example with blue light blocking glasses, that can help relieve eye fatigue, preserve your melatonin levels, and improve your circadian rhythm as well as sleep quality. 

If you are interested in reducing the negative effects of artificial blue light in your household, try the Mitochondriak® indoor lighting solutions. Your home atmosphere can also be improved with Mitochondriak® red light therapy devices which use red and near-infrared light.

Are you curious about the many ways red light therapy can help you? Circadian rhythm, sleep quality and a healthy light environment are among the topics we explain in detail. You'll find more information on the effects of red light on human body on our blog.

Frequently asked questions: Evening red bulb Mitochondriak® GU10

What base does the Mitochondriak® GU10 red bulb use?

It uses a GU10 base for compatible spot and recessed fixtures. Check the socket type of your fixture before ordering.

Does the bulb emit blue or green light?

Practically none. Below 550 nm we measured practically 0 % of the energy with two spectrometers (the remainder is instrument noise). The spectral peak is at 633 nm.

Is the bulb dimmable?

No. This model is not designed for dimming. Use it in a standard compatible GU10 fixture without a dimmer.

When should I use the GU10 red bulb?

Mainly for evening lighting: use it in the last 2–3 hours before bedtime instead of cool white light. For sleep itself, darkness is best.

What are the power and luminous flux of the bulb?

The bulb draws 5 W and has a luminous flux of approx. 140 lm (laboratory report 136.6 lm). Lifespan: 25,000–50,000 hours.

Additional parameters

Category: Indoor lighting solutions
Warranty: 2 years
Weight: 0.25 kg
EAN: 0726529982626
Model: Evening red bulb Mitochondriak® GU10
? Spectral peak (measured): 633 nm (red)
? Blue light below 500 nm (measured): practically 0 % (the measured 0.06 % is the spectrometer's background noise)
? Signal to the body clock (circadian rhythm, CIE S 026): 71× weaker than an ordinary white LED at the same lux
? Flicker (measured): flicker index 0.01, fluctuation below 3 % – practically flicker-free
? Base: GU10
? Power: 5 W
Voltage: AC 110–240 V, 50/60 Hz
? Spectral width FWHM (measured): 76 nm (604–679 nm)
? Dominant wavelength (measured): 613 nm
? Light above 620 nm (measured): 79 % of energy
? Blue and green light below 550 nm (measured): practically 0 % (the measured 0.07 % is the spectrometer's background noise)
? Illuminance (measured): 2,814–3,341 lx at 30 cm on the beam axis
? Irradiance 380–780 nm (measured): 19.3–20.4 W/m² at 30 cm
? CIE 1931 chromaticity (measured): x 0.674 / y 0.324
? Colour purity (measured): 99 %
? Luminous flux: approx. 140 lm (laboratory report 136.6 lm)
Dimming: not dimmable
Lifespan: 25,000–50,000 hours
? Intended use: evening ceiling and spot lighting, the last 2–3 hours before sleep
? Measurement: Mitochondriak Lab, 21 Oct 2026, 2 spectrometers, 30 cm, dark room

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Brand Mitochondriak® offer LED devices for RED, NIR and UV light therapy, stylish blue light blocking glasses & safe indoor blue light free lighting solutions, suitable even for children, which protects your sleep, performance and circadian rhythm! We also offer stylish barefoot grounded shoes for better reconnecting with nature in our modern world!

Mitochondriak® mission is to support your mitochondria, health, sleep, energy and performance. We are leader in light therapy. Make our light enviroment better together.