I haven’t looked into this yet. If true not that difficult or very expensive to use other light sources.
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So, is it too much LED exposure or too little sunshine that is the problem?
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I interviewed Scott Zimmerman recently. He makes the Nira bulbs. He says to go outside to get full spectrum light but if you are stuck indoors, get as close to real full spectrum as possible. His bulbs use low power incandescent filaments for red and NIR wavelengths plus a LED for visible light.
The problem is a lack of red / NIR. LEDs don’t make it and windows block it.
Red / NIR cause mitochondria to make more ATP while blue wavelengths decrease ATP production. The blue is not bad unless it comes without red /NIR, which never happens in nature.
Episode coming out shortly.
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I have changed my mind for now since incandescent light bulbs seems to emit UV.
I would need to be sure that a light source doesn’t emit UV or other harmful light to be sure to use it.
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These are $27 per bulb?
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Yes. With a 50,000 hour life that’s about 25-50 years and about $0.50-$1.00 per year. Might be worth it. I bought the lamp and a bulb to get the DC power (no flicker).
Dr. Mercola talked a lot about this several years ago. Recommended adding incandescent lights for more red and NIR which is healthier. Of course, getting outside for real broad-spectrum sunlight is even better.
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There are tons of red/NIR light pads on the market (most are roughly 850nm and 450nm lights), and they are all made from LED light chips. Also I have amber bulbs (there’s no coating on the bulb, but it burns Amber), and those are LED. I have a red light reading light (which is pathetic, but that’s another story) from one of the anti-blue light places that’s also a non-coated LED-produced hue. LED can make red and infrared fine, though of course there’s more to the quality of light than its nm output.
So LEDs can and do make the red spectrum. I’m not sure what the reasoning is to use some incandescent for that part of the spectrum,