What to Expect From Niagen Therapy
Updated October 20, 2026 · 2 min read
You've decided to try Niagen at iCRYO St. Johns. Here's exactly what to expect, from booking to how you'll feel afterward.
New to Niagen? Start with What Is Niagen?
Before Your Session
Health screening
Our medical team reviews your health history, medications and goals to make sure Niagen is right for you.
How to prepare
- Hydrate. The Florida heat makes this important.
- Eat a light meal
- Wear comfortable clothes with sleeves that roll up easily
- Bring your questions
During Your Session
- Choosing your option. Our team will explain the Niagen options available.
- Treatment. Relax while you receive your Niagen.
- Check-ins. Let us know how you're feeling at any point.
Many people find Niagen comfortable and relaxing. Bring a book or headphones.
After Your Session
There's no downtime. You can return to work, workouts or errands.
How you feel varies:
- Some people feel energized soon after
- Others notice changes gradually over several sessions
Getting the Best Results
- Be consistent with your recommended schedule
- Prioritize sleep, when much of your cellular repair happens
- Limit alcohol, which can deplete NAD+
- Stay active
- Track how you feel to share with your provider
How Often Should You Come In?
Your provider will recommend a schedule. Many people start with a series and then shift to maintenance.
Pair It With Other Services
- Hyperbaric oxygen for recovery
- Red light therapy for cellular support
- IV infusions for hydration
Curious how Niagen compares to NAD+ IV? Read Niagen vs. NAD+ IV.
Ready for your first session?
Niagen (NAD+ Precursor) in St. Johns, FL
iCRYO St. Johns is at 120 Durbin Pavilion Dr Suite 103, St. Johns, FL 32259, in Durbin Pavilion with free on-site parking. We welcome clients from Fruit Cove, Julington Creek, Nocatee, Ponte Vedra, World Golf Village and St. Augustine.
Questions? Call (904) 513-8877.
Niagen (NAD+ Precursor) FAQs
What does Niagen therapy feel like?
Many people find Niagen comfortable. Our team will explain what you may feel based on the option you choose.
How long does a Niagen session take?
Session length depends on the Niagen option you receive. Many are shorter than an NAD+ IV. Our team will tell you what to expect.
When will I notice results from Niagen?
Responses vary. Some people notice more energy soon after, while others notice gradual changes with regular sessions.
How often should I get Niagen?
Your provider will recommend a schedule based on your goals and how you respond.
iCRYO St. Johns Team
The iCRYO St. Johns team helps clients across St. Johns County look and feel their best.
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