Full Moon vs Ancient + Brave True Nightcap
Magnesium bisglycinate in a real hot chocolate, or citrate in a lemon and ginger drink
Full Moon uses magnesium bisglycinate, magnesium bound to the amino acid glycine, with 207 mg of elemental magnesium in a single-serve sachet of real cacao made with warm milk. Ancient + Brave True Nightcap uses magnesium citrate, 130 mg, in a lemon and ginger drink made with water, with 0 g of sugar. Figures and sources below.
- Magnesium
- 207 mg
- 55% NRV, elemental
- Form
- Bisglycinate
- Chelated magnesium
- Sugar
- 0.6 g
- per sachet
The facts · verified
Why people choose Full Moon
- Magnesium bisglycinate: magnesium bound to the amino acid glycine, with a mild taste that disappears into the cacao.
- A real cacao drink you make with warm milk.
- 207 mg of magnesium, within EFSA’s 250 mg supplemental level.
| Attribute | Full Moon | Ancient + Brave True Nightcap |
|---|---|---|
| Magnesium form | Bisglycinate: magnesium bound to the amino acid glycine (a chelate) | Magnesium citrate: magnesium bound to citric acid |
| Magnesium stated as | Elemental | Elemental |
| Magnesium per serve | 207 mg (55% NRV), within EFSA’s 250 mg level | 130 mg (35% NRV) |
| What you drink | Real cacao, Mexican blossom honey and coconut milk | Lemon and ginger powder in 250 ml warm or cold water |
| Made with | 200 ml warm milk or water | Water |
| Sweeteners and sugar | Steviol glycosides (from stevia) · 0.6 g sugar | None · 0 g (UK label) |
| Added actives and botanicals | None | Glycine, myo-inositol, ginger, choline, zinc, vitamin C |
| Format | Pre-portioned sachets, 30 a month | Jar, 30 servings (also sold as 15 sachets) |
| Price per evening | €1 on the 60-Night Ritual | €1.20 |
| Meets our 5 criteria | 5 of 5 | 3 of 5 |
Where Ancient + Brave True Nightcap has the edge
It's sugar-free (0 g), and slightly cheaper per serve in the UK.
Magnesium: form, amount and how it’s stated
Full Moon uses magnesium bisglycinate: magnesium bound to the amino acid glycine (a chelate). Each sachet has 207 mg of elemental magnesium (55% NRV).
Ancient + Brave True Nightcap uses magnesium citrate: magnesium bound to citric acid. It lists 130 mg (35% NRV) per serve. How bisglycinate and citrate differ
EFSA sets 250 mg a day as the tolerable upper level for supplemental magnesium.
What you actually drink
Full Moon: Cacao, Mexican blossom honey, coconut milk, magnesium bisglycinate, stevia, stirred into 200 ml of warm milk or water.
Ancient + Brave True Nightcap: Lemon and ginger powder in 250 ml warm or cold water.
Sugar and sweeteners
Full Moon: 0.6 g of sugar per sachet, sweetened with Mexican blossom honey and stevia.
Ancient + Brave True Nightcap: 0 g (UK label) per serve.
Price per evening and how you buy
Full Moon: €1 a night on the 60-Night Ritual, €30 a month for 30 sachets, 2-month minimum (€60), then monthly.
Ancient + Brave True Nightcap: €1.20 per serve, sold as a jar, 30 servings (also sold as 15 sachets).
Which should you choose?
Choose Full Moon if you want:
- magnesium bisglycinate in a real hot chocolate
- a cacao drink made with warm milk
- a magnesium amount within EFSA’s supplemental level
Choose Ancient + Brave True Nightcap if you want a light, sugar-free citrus drink made with water.
Other comparisons
Sources: Ancient + Brave True Nightcap label and product page, prices checked 1 Oct 2026.
Full Moon: pack spec Rev02.
Full Moon is shown at its 60-Night Ritual price. Competitor prices are the standing subscription price where one exists, otherwise the regular shelf price; first-order offers and temporary sales are excluded. Milk isn’t included for any drink.