Everything you need to know about Full-calm:
the complete guide
Full-calm is an evening capsule with five actives, each with its own dose stated on the label: 300 mg Magnesium Bisglycinate, 400 mg L-theanine, 200 mg GABA, 200 mg lemon balm extract and 2 mg melatonin. This guide shows you what is in it, what time to take it, what the studies behind two of the actives actually measured and what to pair it with.
What is Full-calm?
It is a capsule built for a single moment of the day: the evening, 30 to 60 minutes before bed. The daily dose contains five actives that are usually bought separately, in five bottles, each with its own timing and dose.
- Five actives, 1,102 mg in total. Magnesium Bisglycinate, L-theanine, GABA, lemon balm and melatonin, all in the same evening dose.
- Melatonin, above the threshold that matters. Melatonin contributes to the reduction of time taken to fall asleep. The beneficial effect is obtained by consuming at least 1 mg close to bedtime, and there are 2 mg here.
- The largest dose is L-theanine. 400 mg in free L-form, which is 36% of the total mass of actives.
- No fillers. No added sugar, no colourings, no flavourings. Made in the European Union under good manufacturing practice, with a certificate of analysis for every batch.
How to take it
Two capsules, with a glass of water, 30 to 60 minutes before bed. Once a day, in the evening. A bottle holds 60 capsules, which is exactly 30 days. And one thing we repeat below, because it matters: after taking Full-calm, do not drive vehicles or operate machinery.
What makes Full-calm different?
- Five doses, each stated individually. Every active has its own milligrams on the label. When a formula hides the quantities behind a blend name, there is no way to compare anything with anything.
- Magnesium Bisglycinate, not oxide. The magnesium is bound to two molecules of glycine, the smallest amino acid in the body. The elemental magnesium content is declared separately on the label.
- 400 mg of L-theanine. The largest dose in the formula, in free L-form, produced by fermentation. No caffeine, not a stimulant.
- GABA in free form. Gamma-aminobutyric acid produced by fermentation, the same molecule the body makes.
- Lemon balm from the leaf. 200 mg dry extract of Melissa officinalis, a plant from the mint family, used for centuries in evening infusions.
- One bottle instead of five. The same actives bought one by one means five boxes on your bedside table.
Why the evening is the moment that matters
The body does not have an off switch. It has a clock, and the clock is set by times, not by doses.
The counterintuitive part is how small the figure that matters really is. Melatonin contributes to the reduction of time taken to fall asleep, and the beneficial effect is obtained by consuming at least 1 mg close to bedtime. One milligram. That says something about the logic of an evening product: the main variable is not the amount, it is the timing.
There is another part almost nobody associates with the evening: morning light. The internal clock synchronises first and foremost with light, and the two ends of the day work together. The capsule fits into a rhythm that already exists, it does not replace it.
How Full-calm works
1. The gesture: the same time, every evening
It all starts with two capsules and a glass of water, 30 to 60 minutes before bed. That window is not decorative: it is the interval in which the actives have time to be absorbed before you lie down. The rest of the mechanism rests on it.
2. The evening signals
Melatonin and GABA are the two signalling molecules in the formula. Melatonin is the same molecule the brain releases in the evening, and here it is synthesised, identical to the one the body produces. GABA, gamma-aminobutyric acid, is one of the simplest signalling molecules in the body. What was actually measured for GABA taken by mouth: in a randomised, single-blind, placebo-controlled, crossover study of 63 adults, a demanding mental task lowered alpha and beta brain wave activity, and 30 minutes after a 100 mg GABA capsule this drop was smaller than with placebo (Yoto et al., Amino Acids, 2012). Full-calm contains 200 mg.
3. The amino acid that is not a stimulant
L-theanine is an amino acid in free L-form, produced by fermentation, a close relative of glutamine with an extra ethylamine group. It contains no caffeine. What was measured: in a randomised, double-blind, placebo-controlled, crossover study of 30 adults, 200 mg of L-theanine a day for four weeks lowered the total Pittsburgh Sleep Quality Index score, and the sleep latency and sleep disturbance subscores fell compared with placebo (Hidese et al., Nutrients, 2019). Full-calm contains 400 mg per dose, double the dose in the study.
4. The intake that adds up
Magnesium Bisglycinate and lemon balm are not judged on a single evening, but on repeated intake. The magnesium is chelated with glycine, a different form from the oxide that usually fills cheap capsules, and the elemental content is stated separately on the label. Lemon balm is included as a dry leaf extract of Melissa officinalis. Both are taken daily, not as needed.
Who is Full-calm for?
- For anyone who works late and gets into bed with the screen still switched on in their head.
- For anyone whose bedtime shifts from one day to the next, between weekdays and the weekend.
- For anyone who travels often and changes time zones, or just beds.
- For anyone who already has four bottles on their bedside table.
- For anyone who wants a clear end-of-day signal, a gesture that separates the evening from the rest of the schedule.
It is not reserved for anyone in particular. It is for anyone who wants their evening to have a point where it ends.
Myths about sleep and evening supplements
“Melatonin is a sleeping pill”
It is not. It is a molecule the brain releases in the evening, and the supplement provides the same molecule, made by synthesis. What can be said about it is also the most concrete thing on the label: melatonin contributes to the reduction of time taken to fall asleep, with at least 1 mg taken close to bedtime. That is all, and it is enough.
“The higher the dose, the better”
That is not how it works. The threshold for melatonin's effect is 1 mg, and Full-calm has 2 mg, which is double the threshold, not ten times it. Beyond a certain point, adding more brings nothing extra. The time you take the capsule remains the variable that really matters.
“Magnesium is magnesium, whatever the form”
The form changes two things: how much elemental magnesium actually goes into the capsule and how well it is tolerated. Oxide is cheap and is used in large doses precisely because it is poorly absorbed by the body. When you compare two products, look at the milligrams of elemental magnesium on the label, not the big number on the front.
“One bad evening means it does not work”
One evening tells you nothing. In the L-theanine study above, the measurement was taken at four weeks, not the next morning. The only thing you can see from the first evening is the time you got into bed, and that depends on you.
What to expect, evening after evening
The first evening
Evening one is about the ritual, not the result. Two capsules 30 to 60 minutes before bed, the same gesture, at the same point in the evening. Melatonin and L-theanine are absorbed quickly, right in the window between the capsule and the moment you lie down, and that is why the window is part of the product, not a suggestion. Do not wait for an event. Expect an end-of-day signal, placed at the time you want it to be.
The first week
Week one is about the time, not the dose. The internal clock is set by fixed times, and the same time every evening does more than a bigger dose. Morning light also comes in here, and it matters as much as the evening capsule. Magnesium Bisglycinate, L-theanine, GABA and lemon balm are taken daily, not as needed.
At four weeks
Four weeks is the horizon at which the serious measurements were made. In the L-theanine study, sleep quality was assessed after four weeks of daily intake, not after one night. The body's magnesium stores are replenished gradually, through daily intake, over the weeks. A single evening tells you nothing. Four weeks do.
How to get the most out of Full-calm
- Fix the time, not the dose. Choose a bedtime and take the capsule 30 to 60 minutes before it. The same time every evening, Saturdays included. Regularity is the whole mechanism.
- Attach it to something you do anyway. Brushing your teeth, putting your phone on charge, switching off the main light. A daily habit hooked onto another one keeps itself going.
- Keep your mornings bright. A few minutes of natural light early in the day work on the same internal clock as the evening capsule.
- If you want to cover the rest of the day too, Full-gut fits naturally at lunch, and the morning stays reserved for Full-immunity. Full-calm does not move from its place: the evening.
How to combine it with other ROOTFUL products
The complete daily ritual. Full-immunity in the morning, with breakfast, Full-gut at lunch, with your midday meal, and Full-calm in the evening, 30 to 60 minutes before bed. The three do not double up on any mineral or vitamin.
The evening plus your beauty routine. Full-beauty is taken during the day, and Full-calm stays at its evening time. The two do not overlap on any active.
The evening plus vitamin D. Vitamin D3 + K2 + A is taken in the morning, with a meal that contains some fat, and Full-calm stays in the evening. If you choose this option, do not also add Full-immunity on the same day: each of the two provides 4,000 IU of vitamin D3, and together you would go past double the daily limit. Choose one of them.
Before you start. After taking Full-calm, do not drive vehicles or operate machinery. The evening dose contains melatonin and is designed precisely for the moment you are getting ready for bed, not for a break in the middle of the day. The product is not intended for children. During pregnancy and breastfeeding, ask your doctor for advice before taking it. If you are on medication, talk to your doctor first. Do not exceed the daily dose of two capsules, and do not combine it with another supplement containing melatonin or magnesium without asking.
Frequently asked questions
The five actives, with the source, dose and form of each, are on the Full-calm page. This guide is the second in a series about each product in the capsule range; the first is the Full-immunity guide.





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