Your Eyes, the Sun & Hormones: How Melatonin, Vitamin D & Tyrosine Keep You in Balance

Ever wondered whether sunglasses block melatonin production, or how sunlight through the eyes affects sleep? We break down the surprising science of circadian rhythm regulation and why morning sunlight is the ultimate key to hormone balance

Learn why avoiding sunglasses and UV-blocking lenses may improve sleep, skin, immunity, and more

Let’s break down the sun’s energy:

The energy of the sun occurs as Visible Light (43%), which includes all the colours of the rainbow, red, orange, yellow, green, blue and purple

Ultraviolet Light (7%),

Infrared (50%).

If you choose to take melatonin as an adult, Health Canada recommends picking a product with a Natural Product Number (NPN) on the label. This shows it has been checked for safety and quality. Adults should begin with the lowest effective dose, such as 1 milligram.

For children, the rules are different. Starting June 2, 2026, Health Canada will require a prescription for all melatonin sleep products for anyone under 18. Over-the-counter melatonin will no longer be available for kids in Canada. If a child or teen has trouble sleeping, parents will need to see a licensed healthcare provider for a prescription. This ensures a professional reviews the child's sleep habits and health, following the idea that less hormone use is better for children.

Important Consumer Notice Disclaimer: The information provided on this educational page is for general informational and cosmetic purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. If you suspect you have a skin disorder, chronic condition, or need specialized treatment, please consult a licensed physician or dermatologist immediately to seek professional medical guidance.

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