Turns Out Your Mushrooms Need a Little Sunlight
By Mark J Kaylor
Turns out, the mushroom sitting in your fridge has more in common with you than you’d guess. Set it gills-up on a windowsill for fifteen to twenty minutes of direct sunlight, and it starts running the same basic photochemistry your own skin does: converting a compound called ergosterol into vitamin D2. Researchers at the University of Copenhagen tracked this in button mushrooms and found a clear, dose-dependent climb in vitamin D2 with sunlight exposure. A short stint in the sun was enough to meaningfully change what ends up on your plate, no lab equipment required.
No greenhouse, no supplement bottle. Just a mushroom, a window, and a little patience.
Reference: Urbain P, Jakobsen J. Dose-response effect of sunlight on vitamin D2 production in Agaricus bisporus mushrooms. J Agric Food Chem. 2015;63(37):8156-8161.
Mark J. Kaylor is a passionate advocate for holistic health and natural remedies, with a focus on extending both lifespan and healthspan. As the founder of the Radiant Health Project and host of Radiant Health Podcast, Mark blends in-depth research with traditional wisdom to empower others on their journey to vibrant health. Through his writing and speaking, he shares insights into the transformative power of herbs, nutrition, and lifestyle practices.
The Radiant Health Project is a not-for-profit initiative dedicated to cutting through wellness industry hype and sharing evidence-informed, traditional wisdom for genuine health.
Disclaimer: All information and results stated here is for educational and entertainment purposes only. The information mentioned here is not specific medical advice for any individual and is not intended to be used for self-diagnosis or treatment. This content should not substitute medical advice from a health professional. Always consult your health practitioner regarding any health or medical conditions.
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