SuppSafety is informational only and not medical advice. Read the disclaimer.

🌙 Sleep & Relaxation

Supplements people commonly explore around sleep, relaxation, and evening routines. Research varies by ingredient, and good sleep habits matter most. Talk to a healthcare professional about persistent sleep problems.

Not medical advice. SuppSafety and StackWise are informational only. Talk to a qualified healthcare professional before starting, stopping, or combining supplements.

More-studied options

Melatonin

Moderate evidenceHormoneBedtimeWith or without foodHigh caution

A hormone commonly used short-term for sleep timing, such as jet lag. Lower doses are common.

Ask a clinician/pharmacist — Commonly discussed as relaxing/sedating · Sedative / CNS-depressant interaction · Higher caution if you take blood-pressure medication · …

Mixed or limited evidence

Magnesium Glycinate

Mixed evidenceMineralEveningWith or without foodModerate caution

A gentle, well-tolerated form of magnesium commonly used in evening and relaxation routines.

Mineral spacing considerations · Commonly discussed as relaxing/sedating · Commonly discussed upper limit · …

Magnesium Citrate

Mixed evidenceMineralEveningWith or without foodModerate caution

A common, well-absorbed form of magnesium; can have a mild laxative effect at higher doses.

Mineral spacing considerations · Electrolyte balance — higher caution with kidney or heart conditions · Commonly discussed upper limit · …

L-Theanine

Limited evidenceAmino acidMorningWith or without foodHigh caution

An amino acid found in tea, commonly explored for calm focus, often paired with caffeine.

Ask a clinician/pharmacist — Commonly discussed as relaxing/sedating · Higher caution if you take blood-pressure medication · Sedative / CNS-depressant interaction · …

Ashwagandha

Limited evidenceHerbalEveningWith foodHigh caution

An adaptogenic herb commonly explored for everyday stress and relaxation. Research is developing.

Ask a clinician/pharmacist — Thyroid caution category · Commonly discussed as relaxing/sedating · Higher caution if you take thyroid medication (space doses apart) · …

Glycine

Limited evidenceAmino acidBedtimeWith or without foodHigh caution

A simple amino acid commonly explored in evening routines for relaxation and sleep quality.

Ask a clinician/pharmacist — Commonly discussed as relaxing/sedating · Sedative / CNS-depressant interaction · Serotonergic (SSRI/SNRI) interaction · …

Taurine

Mixed evidenceAmino acidEveningWith or without foodModerate caution

A conditionally essential amino acid explored for fitness, heart wellness, and evening relaxation; research is mixed.

Commonly discussed as relaxing/sedating · Evidence not fully source-reviewed yet

Valerian

Mixed evidenceHerbalBedtimeWith or without foodHigh caution

A root commonly explored for sleep; NCCIH finds the evidence inconsistent, and it should not be combined with alcohol or sedatives.

Ask a clinician/pharmacist — Pregnancy / breastfeeding caution · Commonly discussed as relaxing/sedating · Sedative / CNS-depressant interaction

Early-stage research

Magnesium L-Threonate

Preliminary evidenceMineralEveningWith or without foodModerate caution

A magnesium form explored in cognition research; human evidence is preliminary and elemental magnesium per dose is low.

Mineral spacing considerations · Commonly discussed as relaxing/sedating · Commonly discussed upper limit · …

🩺 Safety cautions in this goal

  • Magnesium Glycinate — has medication or health-condition caution categories
  • Magnesium Citrate — has medication or health-condition caution categories
  • Melatonin — has medication or health-condition caution categories
  • L-Theanine — has medication or health-condition caution categories
  • Ashwagandha — has medication or health-condition caution categories
  • Glycine — has medication or health-condition caution categories
  • Valerian — has medication or health-condition caution categories

Caution categories are conversation prompts for a healthcare professional, not instructions.

📈 What people commonly track

  • How you actually feel week to week (sleep, energy, mood)
  • Whether a change followed adding or removing one thing
  • Any side effects or digestive changes
  • Relevant checkups or labs a professional suggests for your situation

Changing one thing at a time makes it easier to tell what helps.

🗣️ When to talk to a professional

  • Symptoms are persistent, worsening, or interfere with life
  • You take medication or have a health condition
  • You are pregnant, nursing, or have a procedure scheduled
  • You are considering several new supplements at once
Not medical advice. SuppSafety and StackWise are informational research and tracking tools. They are not medical advice and do not diagnose, treat, cure, or prevent any condition. Supplement research is often limited or mixed, and individual needs vary. Always talk to a qualified healthcare professional before starting, stopping, or combining supplements — especially if you take medication, have a health condition, are pregnant or breastfeeding, or have a procedure scheduled.