Tired, sore and slower than you used to be?Feel like yourself again.
One glass a day targets the four cell markers that make you feel older.*
Cancel anytime.
Your cells can be older than you are.
Four markers inside your mitochondria, the tiny engines in every cell, drive how young or old you feel. They’re strong at 18 and start slipping after 35.
16 weeks to rebuild.
One glass a day to stay there.
In research, glutathione rose within the first two weeks.
A steady daily supply, every morning. Consistency is the whole game.*
The length of the key clinical study. We’ll send you a check-in to compare with day one.
In research, the benefits faded once people stopped. One glass a day keeps your levels up.*
What the research found.
Studies consistently find lower NAD+ levels in older adults than in young ones.
Across several human clinical trials, NMN supplements increased NAD+ levels in the blood.
In a 16-week trial, older adults taking glycine and NAC saw key markers of aging move back toward young-adult levels: cell damage, inflammation, strength and walking speed.
Creatine is one of the most-studied supplements for strength and muscle energy. L-citrulline helps your body make nitric oxide, which supports healthy blood flow.
Why Sprig?
| Sprig | Typical capsules | Electrolyte drinks | |
|---|---|---|---|
| Cell fuel (NMN) | ✓ 1 g | Sold separately | ✕ |
| Shield builders (glycine + NAC) | ✓ 14 g | Usually 1–3 g | ✕ |
| Strength and energy (creatine) | ✓ 5 g | Sold separately | ✕ |
| Blood flow support (L-citrulline) | ✓ 3 g | Sold separately | ✕ |
| Magnesium and electrolytes | ✓ | ✕ | ✓ |
| Your daily routine | 1 glass | About 36 capsules to match | 1 glass |
Capsule count based on common sizes: 600 mg NAC, 1,000 mg glycine, 250 mg NMN, 750 mg creatine, 750 mg L-citrulline, 100 mg magnesium.
Nothing hidden.
28 single-serve sticks, one for every morning. Full amounts on the label, no secret blends.
Try your first box for $29.
Four weeks of Sprig for $29, shipping included. Not for you? Cancel online in two taps before box 2 ships.
Questions
What is NAD+, in plain English?
A molecule every cell uses to turn food into energy and to repair itself. You make plenty when you’re young. Levels drop as you age, and your cells have less to work with.
What are mitochondria?
The tiny engines inside your cells that make the energy your body runs on. They need NAD+ as fuel and glutathione as protection.
What’s in it?
Glycine and NAC to rebuild your cells’ natural shield, NMN for cell fuel, creatine for strength and energy, and L-citrulline to support healthy blood flow, plus magnesium and electrolytes. Full amounts on every box.
Why 16 weeks?
It’s the length of the key clinical study on glycine and NAC. It also gives your body time to rebuild with a steady daily supply.
What happens if I stop?
In research, the benefits faded after people stopped. That’s why we recommend one glass a day to stay where you are.
What does the first box cost?
$29, shipping included. If you keep going, it’s $89 every 4 weeks starting with box 2. Cancel anytime before it ships.
Any side effects?
Most people have none. A few notice mild stomach upset at first. Drinking it with food helps.
Can I take it with medication?
Check with your doctor first, especially if you take nitroglycerin or blood thinners. Not for children, or if you’re pregnant or nursing.
How do I cancel?
Online, in your account, in two taps. No calls, no forms, no fees.
Start feeling like you again.
Your first box is $29. Cancel anytime.
Who’s taking Sprig?
Your 16 weeks, box by box
Weeks 1–4
Weeks 5–8
Weeks 9–12
Weeks 13–16
Box 1 is $29, then $89 every 4 weeks. After week 16, one glass a day keeps it going. Skip, pause or cancel anytime.
Talk to a real person.
Questions about Sprig, your plan or an order? We reply within one business day.