Evening red bulb Mitochondriak® E27

For better sleep More for less
The average product rating is 5,0 out of 5 stars. 4 ratings Rating details
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28/10/2026
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A practical indoor bulb with warm red light for better, uninterrupted sleep. The bulb is flicker-free, fits the common E27 screw, and is energy saving (7 W), making it suitable for every household.

It is the ideal lighting to use in the evenings in bedrooms, rooms or hallways, and is suitable for both adults and children.

✅ Does not emit blue light (zero blue light).
✅ Practically flicker-free (measured).
✅ Standard E27 screw fitting.
✅ Blocking blue light in the evening naturally supports better sleep!

Noc Spánok Zero blue light Cirkadiánny rytmus

Better sleep For babies Zero blue light Circadian rhythm

 

Detailed information

Product detailed description

Improve your sleep with a safe red light bulb that is free from blue light.

Our new, practical indoor bulb with warm red light is designed to improve your sleep and ensure it remains uninterrupted. The bulb fits a standard E27 screw fitting, is energy saving (7 W), and is perfect for every household. It is ideal for use mainly in the evenings in bedrooms, rooms, hallways, and is suitable for both adults and babies. The bulb is a great alternative to our smaller - E14 bulb.

The bulb is free from blue and green light and practically flicker-free (measured flicker index 0.01). Its warm red light sends a 270× weaker signal to the body clock than an ordinary white LED at the same lux, so it practically does not hold back evening melatonin.

✅ Warm red light without the blue part.
✅ Energy saving.
✅ Blue light free and flicker-free.
✅ E27 screw fitting.
✅ Wake up feeling refreshed and full of energy for the day ahead.
✅ We recommend combining with blue light blocking glasses.
Mitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutionsMitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutions
Why this product

Key features: Evening red bulb Mitochondriak® E27

6 key features based on the product's verified parameters.

Flicker-free (measured)

Measured flicker index 0.01 and fluctuation below 5 % – practically flicker-free.

30-day trial

You can try the product at home and return it if you're not satisfied.

E27 socket

Standard E27 socket fits any regular fixture.

Circadian rhythm support

Sends a 270× weaker signal to the body clock than an ordinary white LED at the same lux (measured, CIE S 026).

Energy-efficient

Only 7 W power draw for full-quality light.

Long lifespan

A lifespan of 25,000–50,000 hours.

Red bulb E27 under the spectrometer: Mitochondriak Lab measurement

We don't guess, we measure. We measured the bulb in a dark room with two certified spectrometers at 50 cm. The E27 is the deepest red of our bulbs: the spectral peak sits at 656 nm and 95 % of its energy lies above 620 nm.

  • Blue light below 500 nm: practically 0 %
  • Signal to the body clock: 270× weaker than an ordinary white LED at the same lux
  • Melanopic EDI at 50 cm: 0.2 lx (the experts' evening ceiling is 10 lx)
  • Flicker: flicker-free, flicker index 0.01

Why does a lux meter show less than with the E14? Lux weights light by the eye's sensitivity to green, so it undervalues deep red. The radiant power at 50 cm is similar, 1.5 W/m².

Technical data: E27 base, 7 W, luminous flux approx. 250–350 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)656 nm (deep red)
Blue light below 500 nm (measured)practically 0 % (below the spectrometer's noise floor)
Signal to the body clock (circadian rhythm, CIE S 026)270× weaker than an ordinary white LED at the same lux
Flicker (measured)flicker index 0.01, fluctuation below 5 % – practically flicker-free
Spectral width FWHM (measured)81 nm (624–705 nm)
Dominant wavelength (measured)629 nm
Light above 620 nm (measured)95 % of energy
Blue and green light below 550 nm (measured)practically 0 % (below the spectrometer's noise floor)
Illuminance (measured)96–113 lx at 50 cm
Irradiance 380–780 nm (measured)1.5 W/m² at 50 cm
Melanopic EDI – daylight equivalent (CIE S 026)0.2 lx at 50 cm (at 96 lx)
CIE 1931 chromaticity (measured)x 0.706 / y 0.294
Colour purity (measured)100 %
MeasurementMitochondriak Lab, 21 Oct 2026, 2 spectrometers, 50 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 E27 Mitochondriak®: spectrum under the spectrometer, blue light practically 0 % Red bulb E27 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® RED LIGHT BULB E27 = ZERO BLUE LIGHT and ZERO FLICKER

Let's STOP artificial blue light, especially in the evening!

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

This is why it is important to pay attention to our lighting not only during the day, but also in the evening (or at night, in case you need to get up). 

Being practically flicker-free, our E27 red light bulb provides a great and calming evening light, ideal for use at home after sunset.

Mitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutions Evening red bulb Mitochondriak® E27
Mitochondriak - red, nir and UV light therapy devices, blue light blocking glasses and indoor lightning solutions

HOW TO USE OUR MITOCHONDRIAK® RED EVENING BULB:

Simply insert the bulb into your table lamp with the E27 screw, ideally with a shade to prevent the light from shining directly into your eyes, and then just enjoy the cozy evening atmosphere.

  • Use the bulb in the last 2–3 hours before sleep instead of common cold white LED bulbs that emit blue light. 

You can combine it with blue light blocking glasses, or the Mitochondriak® red night light with motion sensor to create the perfect atmosphere at home and experience high-quality sleep.

If you are interested in other practical tips on how to improve your sleep beyond red light therapy, have a look at this article.

WHAT'S INCLUDED (IN THE BOX):

  • 1x Mitochondriak® red evening bulb E27
  • 1x Box
  • ✔️ Better sleep
  • ✔️ Satisfaction guarantee (Possibility to return the product within 30 days)
  • ❌ Zero blue and green light 
Red bulb E27 Mitochondriak® with its new box Box of the red bulb E27 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? Evening blue light from screens may go hand in hand with tired eyes and sleep that feels worse. You cannot avoid it completely, but you can limit it in the evening, for example with blue light blocking glasses, which reduce the amount of blue light reaching your eyes in the evening and support your natural evening melatonin rhythm and circadian rhythm.

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

Want to learn more about light and your evening routine? Read how light and melatonin work together and explore the studies and science behind light. You'll find more on our blog.

Certification & safety

This device meets CE and RoHS standards. You'll find certification documents and safety markings on our dedicated certification page.

View certification

30-day trial

You can try the product at home for 30 days. If it doesn't work out for you, you can return the undamaged item in its original packaging with all accessories, according to our store's terms.

How returns work

Frequently asked questions: Evening red bulb Mitochondriak® E27

Is the product free of flicker and EMF?

Yes. We measured flicker: flicker index 0.01 and fluctuation below 5 %, so it is practically flicker-free. At 7 W the EMF is low and the bulb meets CE and RoHS standards.

What socket type does this bulb use?

This bulb uses a standard E27 socket, so it fits easily into any regular fixture.

Does this bulb support my circadian rhythm?

Yes. Its warm red light sends a 270× weaker signal to the body clock than an ordinary white LED at the same lux, so it practically does not hold back evening melatonin production.

Is this bulb energy-efficient?

Yes, the bulb only draws 7 W, making it very energy-efficient.

Additional parameters

Category: Indoor lighting solutions
Warranty: 2 years
Weight: 0.45 kg
EAN: 0726529982213
Model: Evening red bulb Mitochondriak® E27
? Spectral peak (measured): 656 nm (deep red)
? Blue light below 500 nm (measured): practically 0 % (below the spectrometer's noise floor)
? Signal to the body clock (circadian rhythm, CIE S 026): 270× weaker than an ordinary white LED at the same lux
? Flicker (measured): flicker index 0.01, fluctuation below 5 % – practically flicker-free
? Base: E27 (standard screw)
? Power: 7 W
Voltage: AC 110–240 V, 50/60 Hz
? Spectral width FWHM (measured): 81 nm (624–705 nm)
? Dominant wavelength (measured): 629 nm
? Light above 620 nm (measured): 95 % of energy
? Blue and green light below 550 nm (measured): practically 0 % (below the spectrometer's noise floor)
? Illuminance (measured): 96–113 lx at 50 cm
? Irradiance 380–780 nm (measured): 1.5 W/m² at 50 cm
? Melanopic EDI – daylight equivalent (CIE S 026): 0.2 lx at 50 cm (at 96 lx)
? CIE 1931 chromaticity (measured): x 0.706 / y 0.294
? Colour purity (measured): 100 %
? Luminous flux: approx. 250–350 lm
Dimming: not dimmable
Lifespan: 25,000–50,000 hours
? Intended use: evening and night lighting, the last 2–3 hours before sleep
? Measurement: Mitochondriak Lab, 21 Oct 2026, 2 spectrometers, 50 cm, dark room

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The average product rating is 5,0 out of 5 stars. 4 ratings
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List of ratings

5
J Avatar of author The product rating is 5 out of 5 stars. 15/01/2026
Great bulb and sleep is better!
5
JS Avatar of author The product rating is 5 out of 5 stars. 10/01/2026
Maravilloso producto, cumple con todos los requisitos para no romper el ritmo circadiano. Sin duda, voy a repetir para añadir más bombillas para mi casa.
5
D Avatar of author The product rating is 5 out of 5 stars. 16/06/2025
When I have to light up in the evening, I definitely only use red. I recommend it.

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.