Many Hong Kong people are afraid of sun exposure, fearing skin aging, sunburn, and skin cancer. But Dr. Eric Berg points out that the key is not to avoid the sun altogether, but to avoid sunburn . UVB rays in sunlight can help the skin synthesize vitamin D , but excessive sun exposure can cause DNA damage, accumulate free radicals, and increase the risk of skin cancer .
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🌞The principle behind supplementing Vitamin D through sun exposure
· UVB rays strike the skin → bind with cholesterol → and are converted into vitamin D.
· Vitamin D is then activated by the liver and kidneys , supporting functions such as the immune system, hormones, bones, and mood.
· Cholesterol isn't the bad guy : Without cholesterol, vitamin D , sex hormones, bile, and cell membranes cannot be produced.
· A low-fat diet or taking cholesterol-lowering medications (such as statin ) can inhibit vitamin D synthesis .
🔥The risk isn't the sun, but "sunburn ".
· Sunburn can damage skin cells, lower vitamin A levels , and cause inflammation.
· Sun exposure that doesn't cause sunburn may actually reduce the risk of cancer.
· The key is to control the timing and intensity , not to completely avoid the sun.
🧬How to safely supplement Vitamin D through sun exposure
· Control the time : Sunbathe for about 15–30 minutes daily, avoiding the midday peak ( 12–2 pm ).
· Choose the time of day : sunrise or sunset → higher proportion of infrared radiation helps produce melatonin, protecting the skin.
· Adjust time according to skin tone :
o Fair skin tone: Approximately 50,000 IU
o Wheat skin tone: Approximately 20,000 IU
o Dark skin tone: Approximately 8,000 IU
· Other influencing factors : season, geographical location, age, weight, metabolic status
🛡️Antioxidant nutrients protect the skin
· Vitamin C : Protects skin from UV damage
· Vitamin E : Repairs damaged cell membranes
· Folic acid, niacin, and magnesium : support DNA repair and antioxidant responses.
· Low-carb diet + intermittent fasting : Enhance the body's self-generated antioxidant capacity
🧴Homemade natural sunscreen formula (non-commercial chemical sunscreen )
· ¼ cup coconut oil
· ¼ cup olive oil
· ¼ cup sesame oil (can block 30% of UV rays )
· 2 tablespoons of non-nano zinc oxide (physical sunscreen )
· Mix and apply to skin → Reduces UV damage and avoids the chemical burden of commercial sunscreens.
🧾Conclusion: Don't be afraid of the sun anymore; knowing how to sunbathe is the key to true health.
Hong Kong residents often work indoors for long periods, leading to a high rate of vitamin D deficiency . Sunlight is a natural, free, and effective way to supplement vitamin D. Starting today, a sunrise walk, a plate of leafy greens, and some natural sunscreen will help build a strong foundation for your immune system !
Don't let the misconception that "sun = danger" hold you back. Knowing how to sunbathe, how to nourish your body, and how to protect yourself are the keys to true health! 💪🌞🥬
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High quality doesn't have to be expensive! Over a hundred iHerb products are up to 25% off compared to other stores, and with lightning-fast 8-hour delivery!
YouTube source: https://www.youtube.com/watch?v=rkegUUtn53w
YouTube Column: Dr. Berger in Chinese Health knowledge
