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122 products · 249 listings

153 products · 275 listings
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FROM PEPTIDES CALCULATOR
Source profile reviewed 2026-10-01 · Imported 2026-10-22. Read the full compound profile
Midnight Blend is a vendor-made, ready-to-use injectable sleep blend of melatonin, GABA, taurine, L-histidine and L-theanine sold as a research liquid in 20 mL vials. The legacy sheet lists no amounts per millilitre and describes 0.5-1 mL about an hour before sleep with a warning about mild hot flashes; a 2025 third-party storage guide lists the same product at 75 mg histidine, 75 mg GABA, 75 mg taurine, 35 mg theanine and 1.25 mg melatonin per mL, stored at room temperature. Melatonin is an over-the-counter oral supplement in the United States and has placebo-controlled trial data for sleep, GABA and theanine each have small oral sleep trials, but no study has tested this combination, no injectable form of any of these ingredients is approved for sleep, and the only dosing descriptions are from vendors and community writers.
Central regulator of circadian rhythm and sleep initiation. Molecular Formula: C 13 H 16 N 2 O 2 Molecular Weight: 232.28 g/mol
Primary inhibitory neurotransmitter in the central nervous system. Molecular Formula: C 4 H 9 NO 2 Molecular Weight: 103.12 g/mol
Background is reproduced from Peptides Calculator with attribution. The source describes compound-level research. It does not evaluate the identity, quality or suitability of a listed supplier’s product or batch.