General Product Questions
What is TrueDark, and how does it work?
TrueDark is a health and wellness performance brand created by Biohacked and co-founded by Dave Asprey. Our products are built using proprietary technology designed to help you take control of your light environment and support overall well-being. Tr
What’s the difference between the Daylights, Sunsets, and Twilights lenses?
TrueDark Daylights lenses (Yellow): These filter approximately 75% of wavelengths between 370nm and 500nm. It’s important to note that some blue light exposure during the day is beneficial, as it helps maintain alertness and supports your natural cir
Which TrueDark glasses are best for extended screen use?
For daytime screen use, the Daylight Amber Collection is your best choice:. View the Daylight Amber Collection. All Daylights glasses (yellow lenses) are designed for daytime and early evening use or anytime you’re exposed to artificial light. This i
Which TrueDark glasses should I choose?
The best place to start is with your main goal. Are you looking for all day support while working on a computer, or are you focused on winding down in the evening and improving your sleep? Each TrueDark lens is designed for a specific time of day. Tr
How do I choose the right size TrueDark glasses?
We want you to feel comfortable and confident in your new glasses, so we provide detailed sizing information to help you make the best choice. On each Product Page, check the “Measurements” section for frame width, lens width, lens height, bridge wid
Can I wear TrueDark glasses while driving?
For your safety and the safety of others, we recommend not wearing TrueDark lenses while driving. These lenses may change how you perceive traffic lights, streetlights, road signs, and other important visual cues, which could make driving unsafe. You
How do I clean my TrueDark lenses?
TrueDark lenses are made from RX grade polycarbonate, so most cleaners designed for prescription glasses work perfectly. Here’s how to keep them looking their best:. To maintain your lenses and coatings:
Can I purchase individual parts for my TrueDark glasses?
At this time, we do not offer individual components (such as lenses, frames, or screw kits) for separate sale. If your glasses arrive damaged or have a manufacturing defect, please contact us as soon as possible so we can assist with a replacement. Y
Where are TrueDark products made?
All TrueDark products are made in China. We carefully select our manufacturing partners to ensure that every pair meets our high standards for quality and lens performance. Your satisfaction and the effectiveness of our glasses are our top priorities
Should I wear Daylights or Twilights in the evening?
Daylights Amber are designed for daytime use (mid-morning through early evening). For evening use — especially in the 1–3 hours before bedtime — TrueDark recommends Twilight lenses, which block 99% of blue, green, and violet light and are clinically
Is there scientific research supporting the use of blue light blocking glasses?
Yes. Multiple peer-reviewed studies support the role of blue-blocking eyewear in sleep and circadian health, particularly for evening use. Research in publications such as Translational Vision Science & Technology, Frontiers in Neurology, and PubMed-