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Sleep & Calm Supplement Picks: Tryptophan, Magnesium & Theanine

Explore sleep- and stress-focused supplement formats, including capsules, tablets, and gummies, with ingredients such as melatonin, magnesium, tryptophan, and L-theanine.

Updated Aug 4

Shop the shortlist

Tryptophan SupplementUSD 57.99eBayView on eBayrelaxing sleep pillsUSD 63.03eBayView on eBayCalm - Non-Drowsy Natural Stress Relief BlendUSD 109.99eBayView on eBaystress reliver - ADVANCED SLEEP COMPLEX 952mg night pills 2 Bottles 120 CapsulesUSD 35.14eBayView on eBayL-Theanine 200 mg - Stress ReliefUSD 12.98eBayView on eBaySleep Support Capsules Sleep Health Improve Sleeping Relieve Stress SupplementUSD 7.19eBayView on eBayCortisol Supplements for Women and MenUSD 28.36eBayView on eBayMagnesium Glycinate 500mgUSD 53.83eBayView on eBayStress Relief Gummy Vitamin SupplementUSD 42.99eBayView on eBayCortisol Supplements Gummies for Stress Relief and SleepUSD 9.89eBayView on eBayNatural VItality SLEEP / CALM Magnesium Citrate Gummies ~ Anti-Stress (120 ctUSD 18.79eBayView on eBayMagnesium Glycinate 1500 mgUSD 17.99eBayView on eBayMagnesium Glycinate 1330mgUSD 38.60eBayView on eBayNature Made Magnesium Ashwagandha Capsules Stress Relief Sleep Support 60ctUSD 11.99eBayView on eBayMelatonin 120CapsulesUSD 17.37eBayView on eBay

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