Both leave melatonin out. The real question is how many products it takes to cover your night — and how much they tell you about what’s inside.
If you’re comparing Moongreens vs AGZ, you’ve found the two most credible melatonin-free nighttime drinks going. AGZ comes from AG1, a brand that has earned a lot of trust. It’s a serious, well-researched formula. So this isn’t a clean-versus-not story — it’s a question of design.
And the design tells you something. AGZ is AG1’s first-ever product extension: a nighttime drink built to sit alongside the morning greens. Moongreens was built to be the only thing you take at night, greens included.
One product, or two?
AGZ is explicitly positioned as the night-time complement to AG1. The intended setup is both: AG1 in the morning for your greens and micronutrients, AGZ at night for sleep. That’s two products, two scoops, two subscriptions to cover a single day.
Moongreens collapses that. The greens layer, the gut support and the night-recovery actives are in one nightly scoop — so the thing that handles your sleep also carries spirulina, wheatgrass and a daily vitamin and mineral layer. One decision instead of a morning-and-night pair.
At a glance
| Moongreens | AGZ (by AG1) | |
|---|---|---|
| Melatonin | None added — built for nightly use | None — melatonin-free |
| Core idea | A night recovery system | A relaxation drink, built as AG1’s night-time companion |
| The blend | Three layers, named clinical forms: KSM-66® Ashwagandha, Magnesium Bisglycinate Chelate (Albion®), L-Theanine, L-Glycine, 5-HTP, plus a greens and gut layer (ProbioSEB® CSC-3, BioPerine®) | Magtein® magnesium L-threonate and magnesium bisglycinate, ashwagandha, L-Theanine, valerian and saffron in a proprietary “Calming Herbs” blend |
| What it replaces | Sleep stack, greens, probiotic and nightly vitamins in one scoop | The night half of an AG1 routine (designed to pair with AG1) |
| Range | One product. One scoop. | One nighttime drink, sold alongside AG1 |
| Flavour | One considered flavour (Natural Berry & Citrus) | Chocolate-led (Chocolate, Chocolate Mint, Mixed Berry) |
| Transparency | Named clinical forms on the label | Several herbs grouped in a proprietary blend (individual amounts not listed) |
| Best for | Someone who wants one serious nightly formula that replaces the stack | Existing AG1 drinkers who want a matching night-time add-on |
The formulas, side by side
AGZ is a strong relaxation formula. It uses two premium magnesium forms — Magtein® magnesium L-threonate and magnesium bisglycinate — plus ashwagandha, L-Theanine, valerian and saffron. There’s real thought in it. The one catch for the label-readers among us: a chunk of those herbs sit inside a proprietary “Calming Herbs” blend, so you can see what’s in it but not exactly how much of each.
Moongreens names its forms outright: KSM-66® Ashwagandha and L-Theanine for the stress layer; L-Glycine, Magnesium Bisglycinate Chelate (Albion®) and 5-HTP from Griffonia Seed for sleep depth; then the greens and gut layer with ProbioSEB® CSC-3 and BioPerine®. The difference in scope is the headline, though: AGZ is sleep and relaxation only, and leaves your greens to a second product. Moongreens carries both.
On taste, AGZ leans chocolate; Moongreens is a lighter berry-and-citrus. Both are pleasant — this isn’t the deciding factor, but it’s worth knowing if you’d rather not drink cocoa before bed every night.
So which one should you choose?
If you already drink AG1 every morning and love the ecosystem, AGZ is the natural night-time addition — it’s well made and it matches.
If you’d rather not run a two-product routine, want every ingredient named on the label, and want your greens and gut support handled in the same scoop as your sleep, that’s the case for Moongreens. If you’re weighing AG1 itself for the daytime side, the consolidation argument is laid out in Moongreens vs MoonBrew; for a pure magnesium option, see Moongreens vs Moon Juice Magnesi-Om. For the full category map, head to Sleep Drinks Compared.
Try it for a full sleep cycle
Thirty nights isn’t long enough to judge a recovery formula — the adaptogens take six to eight weeks to reach full effect. So Moongreens comes with a 90-night guarantee: enough time to feel the difference in how you wake up, not just how you fall asleep. If it isn’t doing its job, you haven’t lost anything.