
Join us in promoting recovery from the hectic day-to-day of professional life

When your shift ends, your brain doesn’t always have an "off" switch. Post-Call was formulated to bridge the gap between high-intensity performance and deep, restorative sleep.
We combined four of the most evidence-backed compounds in nutritional science to help you fall asleep faster, stay asleep longer, and wake up refreshed. Crucially, Post-Call is a non-habit forming formula. It relies on supporting your body's natural sleep mechanisms rather than depressing your central nervous system with heavy sedatives, making it safe for long-term use without fear of dependency.
Unlike generic sleep aids that just "knock you out," Post-Call focuses on optimizing sleep architecture. By calming the mind, lowering body temperature, and supporting physical repair mechanisms, we help you access the vital stages of REM and deep sleep necessary to be fully ready for the next challenge.

Please see the following scientific references to learn more:
1.New Therapeutic Strategy for Amino Acid Medicine: Glycine Improves the Quality of Sleep.Journal of Pharmacological Sciences. 2012. Bannai M, Kawai N.
2.The Sleep-Promoting and Hypothermic Effects of Glycine Are Mediated by NMDA Receptors in the Suprachiasmatic Nucleus.Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 2015. Kawai N, Sakai N, Okuro M, et al.
3.Nutritional Modulation of Sleep Latency, Duration, and Efficiency: A Randomized, Repeated-Measures, Double-Blind Deception Study.Medicine and Science in Sports and Exercise. 2023. Langan-Evans C, Hearris MA, Gallagher C, et al.
4.The Effects of L-Theanine Consumption on Sleep Outcomes: A Systematic Review and Meta-Analysis.Sleep Medicine Reviews. 2025. Bulman A, D'Cunha NM, Marx W, et al.New
5.Examining the Effect of L-Theanine on Sleep: A Systematic Review of Dietary Supplementation Trials.Nutritional Neuroscience. 2025. Cotter J, Caddick CE, Harper JL, Ebajemito JK.New
6.Efficacy of Dietary Supplements on Improving Sleep Quality: A Systematic Review and Meta-Analysis.Postgraduate Medical Journal. 2022. Chan V, Lo K.
7.Dietary Protocols to Promote and Improve Restful Sleep: A Narrative Review.Nutrition Reviews. 2025. Conti F.New
8.Effects of Diet on Sleep: A Narrative Review.Nutrients. 2020. Binks H, E Vincent G, Gupta C, Irwin C, Khalesi S.
9.The Relationship Between Micronutrient Status and Sleep Patterns: A Systematic Review.Public Health Nutrition. 2017. Ji X, Grandner MA, Liu J.
10.Dietary Supplement Interventions and Sleep Quality Improvement: A Systematic Review and Meta-Analysis.Nutrients. 2025. Mei M, Zhou Q, Gu W, et al.New
11.Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.Nutrients. 2023. Imafuku F, Yamamoto K, Tanaka E, Aoki R, Nishino S.
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