Subscription Sale
Quality Sleep. All Night. Every Night.
Thirdzy delivers 4 clinically supported nutrients that work together to support every part of your sleep so you wake up feeling great.
2 Months In… Sleep Continuing to Improve“I’ve been using Thirdzy for about 2 months now and I’ve been tracking my sleep score through my Garmin App. My sleep has been better than it’s been in years. I’ve already received my second 90-day order.”— Ross M., Verified Buyer
Our Best Subscription Offer Ever
Sleep Deep. Wake Rested.
Rest & Recover Collagen
One simple scoop before bed.
- Deeper, more restorative sleep. No melatonin or next-day grogginess.
- 10g collagen + 250mg magnesium bisglycinate to support muscle & joint repair overnight.
- Informed Sport Certified.
Choose your flavor
Light and refreshing. Most enjoy it cool.
Choose your supply
What's included
One-time purchase at full price — no free gift and no locked-in price. Tick the box above to get the sale price.
- Skip, pause or cancel anytime from your account
- $149 locked in for as long as you subscribe
- 30 Night Deep Sleep Assurance
- Free 7 Night Travel Pack with your first order
Why Subscribe
3 Ways a Thirdzy Subscription Helps Your Sleep
Locks In the Habit
Great sleep is built night after night, not once in a while. Your supply shows up every 90 nights on autopilot, so you never run out, never break the streak, and never have to think about reordering.
Consistent Support for a Calm Nervous System
GABA, L-theanine and magnesium bisglycinate work together to help your mind and body shift out of “go” mode every evening — so you can wind down, fall asleep and stay asleep through the night.
Collagen That Builds Over Time
10g of collagen every night supports overnight repair. Collagen’s benefits accumulate over weeks of consistent use — helping support tissue repair, a healthy inflammatory response, and strong, healthy connective tissue throughout your body.*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Why 90 Nights
Consistency Is Where It Compounds.
You put a lot into your days.
Give your nights the same commitment.
Wind Down Easier
GABA, L-theanine and magnesium help you wind down and prepare for rest after a busy day.
Make Rest Part of Your Rhythm
One scoop before bed becomes a familiar cue and your nights start to feel more consistent.
Your New Normal
Deeper, less interrupted sleep regularly. Better-rested mornings. Steadier energy through full days. Your nightly routine is becoming your daily advantage.
Building Beyond Sleep.
Sleep is dialed in. Nightly collagen supports connective tissue repair and joint health—helping you stay active and feel good.
Individual results vary.
Deep Sleep & Repair.
For Fitness And Longevity.
Trusted by elite athletes. Built for everyday sleep and workout recovery.
CrossFit
Jason
Grubb
Marathoner
Dr. Sasha
Gollish
HYROX
Lindsay
Bessegato
Doctor
Dr. Emily
Marshall
CrossFit
Emily
Rolfe
Weightlifter
Lexi
Ross
Hybrid
Cole
Learn
CrossFit
Ashleigh
Wosny
Biohacker
Alex
Thomas
Field Sports
Nick
Liang
4 Clinically Researched Natural Ingredients
Every scoop includes the highest integrity ingredients in amounts that actually work.
Nutrition Facts
Serving Size 1 Scoop (14.2)
Serving Per Container 30
Calories
35
Protein
9 g
Calcium
15 mg
Iron
0.19 mg
Magnesium Bisglycinate
250 mg
Sodium
25 mg
Hydrolyzed Collagen
10,000 mg
GABA
300 mg
L-Theanine
200 mg
Magnesium: 250mg
A natural mineral that relaxes muscles, calms the nervous system and supports your natural melatonin production.
Collagen: 10g
From Argentinian grass-fed beef—the protein building blocks for muscle, joint, and connective tissue repair, supporting physical recovery while you sleep.
GABA: 300mg
A naturally occurring neurotransmitter that reduces stress and shifts your brain from wakefulness to sleep.
L-Theanine: 200mg
A calming amino acid extracted from green tea that enhances sleep quality and supports dreaming without sedation.
The Smart Choice
Subscribe vs. Buy Once.
Same 90 nights. Very different value.
| Feature | Subscribe | Buy Once |
|---|---|---|
| 90 nights of Rest & Recover | $149 | $199 |
| Price per night | $1.66 | $2.21 |
| Free 7 Night Travel Pack ($25) | — | |
| Price locked for future orders | — | |
| Never run out — ships every 90 nights | — | |
| Skip, pause or cancel anytime | n/a |
Simple & Flexible
How Your Subscription Works.
No contracts. No hoops. You’re in control.
Start with 90 Nights
Get a 90-night supply at our best value, plus a free seven-night travel pack in the other flavor—try both and take your routine with you.
Make It Work for You
Swap flavors or change your next delivery date. Easily adjust your subscription to suit your routine.
We Handle the Rest
Your next 90-night supply ships automatically every three months, with free shipping. Your discounted price stays locked in for as long as you keep your subscription.
The Sleep Habit Event
Lock In Your Best Price. Start Tonight.
90 nights for $149, a free 7 Night Travel Pack and free shipping
— locked in for as long as you subscribe.