Optimize Your Supplements to Your Body Clock

Tell us about your supplements and circadian rhythm. We'll build a personalized protocol anchored to your 24-hour biological clock.

Your Supplements

Personal Info

Your Circadian Rhythm

We personalize supplement timing to your 24-hour rhythm. The more accurate, the better your protocol.

What time do you naturally wake up?

What time do you typically fall asleep?

How would you describe your natural rhythm?

Early bird — I naturally wake early (before 6am) and feel most alert in the morning Intermediate — I have a balanced schedule, peaking in energy mid-morning Night owl — I naturally wake later (after 7am) and peak in energy evening/night

Caffeine cutoff time (optional)

Avoids caffeine's impact on your natural melatonin rise

Eating window (optional)

Affects supplement absorption timing

Jet-lag / shift adjustment (optional)

I get morning sunlight within 30 min of waking I dim/avoid bright light in the 2 hours before bed

Health Background

Current medications

Prescription or OTC. Used only to flag interactions.

Allergies / sensitivities

Medical conditions

Goals

More energy Better sleep Improved focus

Medical disclaimer

CircaStack provides general supplement information, not medical advice. Always consult your physician or pharmacist before starting, stopping, or combining supplements — especially if you take medications, are pregnant or nursing, or have a medical condition.

I understand CircaStack is not a substitute for professional medical advice and I have read the disclaimer above.