Laennec Inj. (Korean Version)
$281
Laennec Inj. (Korean Version) is a human placenta hydrolysate from Japan Bio Products (GC / Japan Bio Products), approved by the Korea FDA for the improvement of liver function in chronic liver disease. This is the Korean-version SKU, which ships from Korea. It contains cytokines, amino acids, peptides, nucleobases and carbohydrates, supplied as 2 ml × 50.
Korean version — ships from Korea. This is a human placenta-derived prescription product. Approved indications vary by brand and market; aesthetic uses are off-label in many regions. For use by or under a licensed practitioner.
About Laennec Inj. (Korean Version)
Laennec is an aqueous human placenta hydrolysate produced via enzymatic molecular separation and hydrolysis, with each placenta screened for HIV and hepatitis B and C. In Korea it is approved by the KFDA for the treatment of chronic liver disease (improvement of liver function), and has long been prescribed off-label for menopausal disorders, atopic dermatitis, skin care and fatigue. As noted in the clinical literature, its mechanism and clinical effectiveness in these wider uses are not fully established. This Korean-version SKU ships from Korea.
What’s in Laennec Inj. (Korean Version)
Hydrolyzed human placenta.
Laennec is an aqueous human placenta hydrolysate produced by enzymatic separation and hydrolysis, with each source placenta screened for HIV and hepatitis B and C.
Cytokines, amino acids, peptides, nucleobases, carbohydrates.
It contains a variety of cytokines derived from human placenta, along with amino acids, peptides, nucleobases and carbohydrates.
Approved for chronic liver disease.
In Korea, Laennec is KFDA-approved for the improvement of liver function in chronic liver disease; other uses (menopause, skin, fatigue) are off-label.
Use & protocol
Focus & uses
Specifications
Frequently asked questions
What is Laennec (Korean Version)?
A human placenta hydrolysate from Japan Bio Products (GC / JBP), KFDA-approved for improving liver function in chronic liver disease. This is the Korean-version SKU, which ships from Korea.
How is the Korean version different from the Japanese version?
Both are Laennec human placenta hydrolysate; the difference is the sourcing/version and shipping origin — the Korean version ships from Korea, the Japanese version ships from Japan.
What is Laennec approved for?
In Korea it is KFDA-approved for the improvement of liver function in chronic liver disease. Other uses such as menopause, skin care and fatigue are off-label.
Is it human placenta-derived?
Yes — Laennec is an aqueous human placenta hydrolysate. Each source placenta is screened for HIV and hepatitis B and C.
What does it contain?
Cytokines derived from human placenta, plus amino acids, peptides, nucleobases and carbohydrates.
Is it used for skin or anti-aging?
It has long been prescribed off-label for skin care and other uses, but its mechanism and clinical effectiveness in these areas are not fully established; results vary.
How is it administered?
Subcutaneously or intramuscularly by a practitioner; a normal adult dose is 2 ml once daily, per the labeling.
Who should administer Laennec?
A licensed practitioner, as it is a prescription human placenta-derived product.
Related injections
Safety information
This is an injectable product for administration by licensed practitioners only. This is a human placenta-derived product. Approved medical indications differ by market and brand; aesthetic anti-aging and skin-brightening uses are off-label in many regions, are not approved by the US FDA, and results vary between individuals. It should be used only by or under a licensed practitioner. Use aseptic technique and assess each patient before treatment. Cautions include pregnancy and breastfeeding, known hypersensitivity to the ingredients, and any product-specific contraindications. Refer to the manufacturer’s instructions for use before treatment. Effects are not guaranteed and vary between individuals.
Laennec Inj. (Korean Version) is a trademark of its respective brand owner. For licensed healthcare professionals only. Last reviewed: June 2026.
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