Back to blog

Field notes

Vitamin B6 and dream recall: what the experiment showed

A five-day B6 experiment increased recalled dream content, not lucid dreaming. Its dose and duration are not evidence of a safe supplement course.

Andrey ZaruevUpdated 6 min read

Low dream recall is not itself a reason to take supplements. Enough sleep and a brief morning record are a practical starting point.

The primary report by Aspy and colleagues (2018) describes a randomised double-blind study with 100 participants: 240 mg pyridoxine before bed for five days, placebo and an exploratory B-complex condition. This describes the design, not a recommended dose.

B6 increased recalled dream content, but did not significantly change vividness, bizarreness or colour. The B-complex group reported worse sleep and greater morning tiredness. Lucid-dream induction was not established.

B6 participates in metabolism and neurotransmitter synthesis, but the study did not measure the proposed hippocampal memory mechanism. It remains a hypothesis.

240 mg is approximately 141 times 1.7 mg, not fourteen times. Five study days do not establish a safe four-to-seven-day cycling window. Excess B6 can cause peripheral neuropathy, and exposure can come from overlapping supplements. The Australian TGA safety update addresses this harm.

I do not recommend copying the dose or prescribing yourself cycles. Discuss supplements and tingling, burning or numbness with a clinician. A journal is a non-drug observation tool, but cannot promise three-to-fivefold improvement within a week.

Sources and context

Links lead to studies, first-person accounts or edition information. The text distinguishes an abstract, secondary quotation or book description from a full original. The author's observations are not clinical evidence or a guarantee; no independent clinical review is claimed.

Frequently asked questions

Does vitamin B6 help you remember dreams?
In Aspy's placebo-controlled study (2018, 100 people) 240 mg of B6 before bed significantly improved the ability to recall dreams. It did not affect vividness or colour — recall is what improves.
What B6 dose for dream recall?
The study's 240 mg is not a recommendation: about 141 times 1.7 mg. Short cycles are not a proven safe schedule; supplemental B6 can cause peripheral neuropathy.
What works better for recall — a supplement or a journal?
A direct comparison is not established. Journaling needs no supplement; no specific recall multiplier can be promised.

Keep reading