When it comes to getting a restful night’s sleep, most people think of calming rituals, like dimming the lights, reading a book, or sipping something soothing. But there’s one lesser-known ingredient quietly playing a powerful role in sleep support and relaxation: amino acids.
In fact, they’re a key part of what makes the Serenity+ sleep supplement so effective. But what exactly are amino acids, how do they help with sleep, and is it actually a good idea to take them before bed?
Let’s take a closer look.
What are amino acids?
Amino acids are the building blocks of protein and play essential roles throughout the body. They’re involved in everything from muscle repair and immune function to hormone production and brain chemistry. While your body can produce some amino acids on its own, others need to be obtained through food or supplements.
When it comes to sleep, one particular amino acid stands out: L-Theanine.
How do amino acids help sleep?
L-Theanine is a naturally occurring amino acid most commonly found in green tea leaves. It’s thought to be the compound behind many of green tea’s calming effects, with research suggesting it helps quieten mental chatter, ease stress, and promote relaxation, without causing drowsiness.
Unlike stimulants or sedatives, L-Theanine doesn’t force your body into sleep. Instead, it helps shift your brain into a calmer, more restful state by supporting alpha brain wave activity. These are the brain waves typically associated with meditation, relaxation, and mental clarity. It may also help regulate levels of calming neurotransmitters like GABA, serotonin, and dopamine, all of which play a role in mood and sleep regulation.
So while it’s not a traditional sleep aid in the sedative sense, taking L-Theanine before bed may help reduce the mental overstimulation that often keeps people awake. It's a gentle but effective way to support your body’s natural sleep process.
For a deeper dive into the benefits of L-Theanine, have a read through this blog post which covers the compound in more detail.
Serenity+ for sleep support
If you’re looking for a sleep supplement that includes calming amino acids, Serenity+ is thoughtfully formulated with both effectiveness and absorption in mind. Each serving includes 500mg of Green Tea Extract, standardised to 40% L-Theanine, one of the most researched and respected amino acids for relaxation and stress relief.
This extract is sourced from green tea leaves grown in the humid regions of Southeast Asia, where the conditions are ideal for producing leaves rich in L-Theanine. By focusing on quality sourcing and optimal dosage, Serenity+ helps create the right internal environment for deep, uninterrupted rest.
But it’s not just about L-Theanine. Serenity+ also includes calming botanicals like Chamomile extract (high in Apigenin), alongside highly absorbable forms of Magnesium and Zinc - two minerals that further support relaxation, nervous system balance, and sleep quality.
Taken about 60–90 minutes before bed, Serenity+ works alongside your natural rhythms to support a more peaceful night, without grogginess in the morning.