Lipotropic nutrients (methionine, inositol, choline) support liver function and fat metabolism
clinical
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Lipo-C
Lipo-C is a lipotropic injection containing Methionine, Inositol, Choline (MIC), and B vitamins that support fat metabolism and liver function.
Overview
Lipo-C is a lipotropic injection containing Methionine, Inositol, Choline (MIC), and B vitamins that support fat metabolism and liver function. These nutrients act as methyl donors and lipotropic agents, assisting in the breakdown and transport of fats. While individual components have documented metabolic roles, clinical evidence for the combined injection specifically for weight loss remains limited.
Last reviewed: 2026-08-18
Identity & Aliases
Also known as
Lipo-C injectionlipotropic injectionMIC + B12methionine-inositol-choline with vitamin B12L-carnitine lipotropic shot
Status: Compounded injection - not FDA approved; FDA does not regulate compounded injections
Full composition (formula, molecular weight, sequence) in Quick Facts →
Research Areas
Weight management (adjunct, unproven)Fat metabolism support
Available Evidence
Human
No randomized controlled trials of Lipo-C (L-carnitine, methionine, inositol, choline plus vitamin B12) combinations for weight loss were found. 'Fat-burning' claims rest on the biochemistry of lipotropic nutrients and anecdotal clinic reports rather than clinical trial data.
Animal
The individual components have mechanistic data in animals (e.g., L-carnitine in fatty-acid oxidation; choline and methionine in hepatic lipid handling), but no studies of the Lipo-C combination itself were found.
In Vitro
Mechanistic and cell-based studies describe roles for L-carnitine in mitochondrial fatty-acid transport and for choline/inositol in lipid metabolism.
Uncertain
Weight-loss claims for Lipo-C remain unproven; marketing materials frequently overstate expected effects, and the combination has not been evaluated in rigorous trials.
Benefits & Effects
B vitamins contribute to energy metabolism
clinical
Bypasses digestive absorption for direct nutrient delivery
clinical
No side effects data available yet.
This peptide may have limited safety data.
Limitations & Open Questions
Lipo-C is a compounded lipotropic injection (nutrients + B12), not a peptide, and the combination has no rigorous clinical-trial evidence for weight loss. Individual ingredients have limited supporting data, dosing is not standardized, and repeated-injection safety is not well studied.
Pharmacology
Typically administered as subcutaneous or intramuscular injection in clinic protocols. Components are water-soluble nutrients (vitamin B12, choline, methionine, inositol, L-carnitine); no standardized pharmacokinetics exist for the combination.
Reported Research Dosing
Reported values from research literature and community protocols. Educational reference only — not a dosing recommendation or medical advice.
1 mL
Route: Injectable
Half-life: Variable by component; methionine ~3hr, choline ~1hr
Research Protocols
General wellness support
- Dose
- 1 mL
- Frequency
- 1x weekly
- Route
- IM or SubQ
Weight management program
- Dose
- 1-2 mL
- Frequency
- 1-2x weekly
- Route
- IM (clinic) or SubQ (home)
Liver health support
- Dose
- 1 mL
- Frequency
- 1x weekly
- Route
- IM or SubQ
Energy support (B12 deficiency)
- Dose
- 1 mL
- Frequency
- Weekly initially, then monthly
- Route
- IM preferred for B12
Research protocols are for educational purposes only. Always consult qualified medical professionals.
Frequently Asked Questions
Is Lipo-C a peptide?
No. It is a combination lipotropic injection (typically L-carnitine, methionine, inositol, choline, and vitamin B12), commonly miscategorized alongside peptide therapies.
Does Lipo-C cause weight loss?
There is no published clinical-trial evidence showing the combination produces clinically meaningful weight loss; effects, if any, are unproven.
Are Lipo-C injections safe?
Components are generally regarded as safe nutrients, but repeated injection protocols are not regulated or standardized, and injection-site reactions and interactions are not well characterized in trials.
Research Citations
1
Choline Deficiency and Fatty Liver - Zeisel et al
()
2
Myo-Inositol for PCOS - Systematic Review (2023)
(2023)
3
L-Carnitine Weight Loss Meta-Analysis (2020)
(2020)
Related Resources
Quick Facts
Mechanism
MIC components act as methyl donors supporting Phase II liver detoxification and lipid transport. Choline prevents hepatic fat accumulation, methionine provides sulfur for glutathione synthesis, and inositol aids cellular signaling. B12 supports methylation pathways. Note: Clinical evidence for weight loss specifically from MIC injections is limited.
Safety Information
IMPORTANT: Clinical evidence for MIC injections specifically causing weight loss is limited. Formulations vary widely between providers - no standardized 'Lipo-C' formula exists. FDA does not regulate these compounded injections for quality, purity, or dosage. Some formulations add medications (semaglutide, phentermine) with their own risks. Choline excess (>3,500mg/day) may cause fishy body odor, sweating, GI upset. Methionine may worsen existing liver disease - contraindicated in advanced hepatic conditions. Requires prescription from licensed healthcare provider. Use only from reputable compounding pharmacies with proper quality controls.
Citations
31.Choline Deficiency and Fatty Liver - Zeisel et al
()
2.Myo-Inositol for PCOS - Systematic Review (2023)
(2023)
3.L-Carnitine Weight Loss Meta-Analysis (2020)
(2020)