Evigrade

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester)

Nootropics (local classification). Russian development.

ATC code: N06BX-NOOPEPT

Updated · Methodology

Marketing claims without evidence base

The drug is promoted for these uses outside international guidelines. Each entry below is analyzed against AEMPS, FDA, EMA, Cochrane and major RCTs.

F

Memory and concentration enhancement

Not recommended

Noopept is a Russian synthetic nootropic promoted in biohacker and student communities as a new-generation drug for concentration before exams or deadlines. Outside Russia it is sold through grey-market channels as a dietary supplement. There are no independent international clinical studies in healthy adults: effects on working memory, attention, or productivity have not been confirmed. The , , and AEMPS have not approved noopept. It is not included in any international clinical guidelines. If noopept was recommended for concentration, exam preparation, or after a head injury, consider seeking a second opinion: there is no evidence base for these uses.

How to read tiers A–F
  • AStrong evidence – first or second line in international guidelines
  • BRecommended in selected cases
  • CStudy data contradict each other
  • DBenefit not proven, no documented harm
  • FDocumented harm, or risk without benefit

Mechanism of action

Noopept is a synthetic dipeptide analogue of piracetam with a claimed potency 1000 times higher at comparable doses. Developed at the Zakusov Research Institute of Pharmacology. The manufacturer claims cholinergic, antioxidant, and neuroprotective action and increased hippocampal BDNF and NGF in rodents. In humans, large independent RCTs with validated cognitive scale endpoints do not exist.

Safety

Contraindications

  • Pregnancy and breastfeeding
  • Age under 18 (per Russian label)
  • Severe hepatic or renal disease
  • Hypersensitivity

Serious adverse effects

  • Independent data on serious adverse events are unavailable

Common adverse effects

  • Allergic reactions
  • Blood pressure rise in patients with hypertension
  • Irritability, sleep disturbance

Pregnancy: can you take Noopept (N-phenylacetyl-L-prolylglycine ethyl ester)?

Contraindicated in pregnancy per label.

Breastfeeding: can you take Noopept (N-phenylacetyl-L-prolylglycine ethyl ester)?

Contraindicated during breastfeeding per label.

Reference information, not a clinical decision. Discuss feeding pauses or changes with your physician or an IBCLC.

Practical notes

Russian practice note

Noopept is supplied as 10 mg tablets for oral and sublingual use. In Russia it is sold over the counter in most pharmacies. Foreign biohackers source the drug as a powder via online retailers, which carries impurity and dosing risks. Paradoxical reactions – increased anxiety and irritability – are possible, especially in predisposed patients.

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Frequently asked

What is Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) used for?

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) is evaluated for the following indications with varying evidence strength: Chronic fatigue (evidence tier F), Memory and concentration enhancement (evidence tier F). See the full indication matrix with dosing and citations above on this page.

What are the side effects of Noopept (N-phenylacetyl-L-prolylglycine ethyl ester)?

Common side effects of Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) (≥ 1 in 100): Allergic reactions, Blood pressure rise in patients with hypertension, Irritability, sleep disturbance. See the Safety section for uncommon and serious reactions.

Is Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) safe during pregnancy?

Contraindicated in pregnancy per label.

Is Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) compatible with breastfeeding?

Contraindicated during breastfeeding per label.

Who should not take Noopept (N-phenylacetyl-L-prolylglycine ethyl ester)?

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) is contraindicated in: Pregnancy and breastfeeding; Age under 18 (per Russian label); Severe hepatic or renal disease; Hypersensitivity. Full list in the Safety section.

Other drugs in this group

Paroxetine, Phenelzine, Phenylpiracetam (fonturacetam), Phosphatidylserine, Rivastigmine, 5-hydroxytryptophan (5-HTP), Citicoline, Glycine (as a marketed «nootropic»)