Ingredient Evidence Review
Gastrodin (Gastrodia elata)
Gastrodia elata (tian ma)
Last updated 2026-05-19 · 3 primary citations
Mechanism
Gastrodin acts on multiple brain systems at once — it gently engages the same calming receptor system as magnolia (GABA), supports the production of growth factors that protect brain cells, and reduces inflammation in the brain. Preclinical work in sleep-deprivation models shows it helps recover from circadian disruption.
Why we use it
Tian ma has been used in Chinese medicine for sleep and headache for over a thousand years. The human trial data is still limited, so we list it as a supporting (Tier 2) active — added to widen the recovery profile for a population whose sleep biology is already disrupted.
How we dose it
Hericea uses 600 mg per serving (per Post-Shift packet). The clinical trial range that anchors this dose is 300–1,000 mg/day.
600 mg of Gastrodia elata extract (tian ma), the traditional Chinese-medicine herb used for sleep, headache, and anxiety. Standardized to deliver about 18 mg of gastrodin — the most-studied active compound.
Quality & sourcing
10:1 extract; ≥3% gastrodin standardized.
Gastrodia elata rhizome.
Primary literature
Liu Y et al. (2022)
Front Aging NeurosciAnimal (Alzheimer's model)
Gastrodin protected cognitive function in Alzheimer's-model mice by regulating gut microbiota and reducing brain inflammation.
Adds mechanism evidence that gastrodin acts on both the gut-brain axis and neuroinflammation — both implicated in chronic sleep disruption.
PMID 35721206
Yi W et al. (2025)
NeuropharmacologyComprehensive review
Reviewed gastrodin's effects across mood, sleep, anxiety, and cognitive endpoints.
Most recent (2025) single source — current state of the mechanism evidence.
PMID 40371076
Ye T et al. (2018)
Brain Res BullAnimal (cognitive dysfunction model)
Gastrodin improved cognitive function and reduced inflammation in a brain-stress model.
Adds inflammation-reduction evidence — directly relevant to shift workers, whose biology accumulates inflammatory load.
PMID 30524286