MEMORY & COGNITION SUPPORT
Cognition is
multi-pathway.
Memory decline rarely comes from a single cause. This formula pairs methylation cofactors, mitochondrial fuel, and cholinergic botanicals — B12, folate, acetyl L-carnitine, ginkgo, bacopa, phosphatidylserine, resveratrol, and huperzine A.
Purchases are completed at Neurobiologix, the seller. Gene Direct Nutrition may earn a commission.
PROFESSIONAL GRADE · 60 CAPSULES · ACETYL L-CARNITINE · GINKGO · BACOPA · HUPERZINE

Three pathways at once.
Methylation (B12, folate, B6). Mitochondria (acetyl L-carnitine, NAC, resveratrol). Cholinergic signaling (ginkgo, bacopa, phosphatidylserine, huperzine A). One formula, three pathways the aging brain actually needs.
Preserve acetylcholine.
Huperzine A is a natural, selective inhibitor of acetylcholinesterase — the enzyme that breaks down acetylcholine, the neurotransmitter of learning and recall. Supporting it preserves the signal that age depletes.
One AM, one PM.
Adults take one capsule twice daily. Bacopa and acetyl L-carnitine work cumulatively — many patients feel the first shifts in focus within weeks, with memory benefits building across four to twelve weeks of consistent use.
MAY BENEFIT
Memory is a
maintenance problem.
Formula
Ten ingredients. Three cognitive pathways.
KEY INGREDIENTS
OTHER INGREDIENTS
Capsule (hypromellose), stearic acid, calcium silicate, tricalcium phosphate, silica, magnesium stearate, microcrystalline cellulose.
DIRECTIONS
Adults: Take one capsule twice daily or as directed by a healthcare practitioner.

Questions
Frequently asked.
Who is Memory Sustain designed for?
What does huperzine A actually do?
How long before I notice a difference?
Can I take it with other methylation products?
Will it interact with medications?
Is it safe long-term?
The Science
Learn the why.
methylation
How methylation shapes mood, focus, and energy
Mood, focus, and energy aren't separate systems — they run on the same methyl groups. Here's how the methylation cycle underwrites neurotransmitter chemistry, mitochondrial output, and the difference between a good day and a flat one.
Apr 4, 2026 →mthfr
MTHFR symptoms: what carriers actually notice day-to-day
MTHFR variants don't cause a single recognizable disease. They shape how you feel on an ordinary Tuesday — energy, mood, sleep, tolerance for caffeine and alcohol. Here's what carriers actually describe.
Mar 30, 2026 →mood
Why methylation matters for mood — the biochemistry behind it
Serotonin, dopamine, and norepinephrine are all produced and regulated through methylation-dependent steps. Here's the biochemistry connecting your methyl cycle to your mood — and the evidence behind it.
Mar 8, 2026 →