6 Nutritionist-Approved Ingredients to Support a Good Night’s Sleep

food that helps you sleep

To mark World Sleep Day on 15th March, Innermost is thrilled to unveil expert-led insights into achieving a restful night’s sleep through the incorporation of six nutritionist-approved, science-backed ingredients. Innermost Nutritionist, Isabelle Spellissy (ANutr), has highlighted six of the best natural ingredients for their potential to enhance sleep quality, naturally:

Lion’s Mane Mushroom

Renowned for its cognitive and neurological benefits, Lion’s Mane Mushroom has also been recognized for its potential in promoting sleep. Isabelle Spellissy (ANutr) at Innermost explains, “Lion’s Mane Mushroom contains compounds that may support nerve growth, potentially enhancing cognitive function and reducing anxiety – a combination that can contribute to a more relaxed state conducive to optimal sleep.


An amino acid with calming properties on the brain. L-Glycine has been identified as a valuable supplement for improving sleep quality. According to Isabelle Spellissy (ANutr) at Innermost, “L-Glycine may act as a neurotransmitter inhibitor, helping to calm the brain and facilitate a smoother transition into deep sleep.”


Known for its adaptogenic properties, ashwagandha helps the body manage stress and anxiety, common culprits to sleep disturbances. Isabelle Spellissy (ANutr) at Innermost notes that ‘ashwagandha may contribute to a more tranquil state, promoting better sleep and potentially improving the overall sleep-wake cycle.’

Valerian Root

Valerian Root has a long history of use as a natural sleep aid. Isabelle Spellissy (ANutr) at Innermost explains, “Valerian Root contains compounds that may enhance the effects of the neurotransmitter GABA, known for its calming influence on the central nervous system, thereby promoting better sleep.”

Reishi Mushroom

Recognised for its adaptogenic and immune-boosting properties, Reishi Mushroom is also valued for its potential role in supporting sleep. Isabelle Spellissy (ANutr) at Innermost suggests, “Reishi Mushroom may help balance stress hormones and promote relaxation, contributing to improved sleep quality.”

Lemon Balm

Lemon Balm has been traditionally used to alleviate stress and promote calmness. Isabelle Spellissy (ANutr) at Innermost highlights, “Lemon Balm contains compounds that may have mild calming effects, making it a valuable addition to a bedtime routine for better sleep.”

Product highlight 

The Relax Capsules, £24.95 (

Life can be stressful, and stress can cause all sorts of issues. These nootropic capsules contain research-backed ingredients that help reduce stress, promote relaxation and help you get a great night’s sleep. Each serving of The Relax Capsules contains Lion’s Mane Mushroom (350mg), L-Glycine (250mg), Ashwagandha (200mg), Valerian Root (100mg), Reishi Mushroom(100mg), Lemon Balm (100mg)

To learn more about incorporating these nutritionist-approved ingredients into your routine or to explore our sleep-supporting products, please visit

About Innermost:

Innermost combines the best of science and nature to make products that help you take control of your health. Available at retailers across the UK and internationally, and online at For more information, please get in touch.

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