AICAR Dosage Guide: How Much Should You Take? (2026)
Key Takeaways
- Standard Dosage Range: AICAR is typically dosed between 10-50 mg/kg body weight, depending on the administration method and therapeutic goals.
- Administration Method: Commonly administered subcutaneously or intramuscularly due to bioavailability; oral administration is less effective.
- Typical Cycle Length: Often used in cycles of 4-6 weeks, with adjustments based on clinical response and goals.
- Regulatory Status: AICAR is not FDA-approved and is available for research purposes only.
- Medical Supervision: Professional guidance is crucial to tailor dosing and monitor for side effects.
How AICAR Works in the Body
AICAR (5-Aminoimidazole-4-carboxamide ribonucleotide) is a research compound known for its role in activating AMP-activated protein kinase (AMPK). This enzyme plays a critical role in cellular energy homeostasis, influencing processes such as mitochondrial biogenesis, fatty acid oxidation, and glucose metabolism. Understanding these mechanisms is essential for determining appropriate dosing.
AICAR's mechanism of action involves mimicking adenosine monophosphate (AMP), thus activating AMPK. This activation leads to increased fatty acid oxidation and improved glucose uptake in skeletal muscle, which can be beneficial in metabolic regulation. The compound's half-life and bioavailability are influenced by its administration route, impacting how often and in what doses it should be given.
Several studies have explored AICAR's effects:
"MOTS-c, through the Folate-AICAR-AMPK pathway, influences energy metabolism and insulin resistance" (PMID 36670507).
"AICAR inhibits inflammation and promotes mitochondrial function, impacting oxidative stress" (PMID 36048820).
These findings highlight the importance of precise dosing to maximize therapeutic benefits while minimizing potential risks.
Standard AICAR Dosage Ranges (By Form)
Subcutaneous Administration
- Dosage Range: 10-20 mg/kg body weight per day
- Frequency: Once daily
- Bioavailability: High, due to direct absorption into the bloodstream
- Commonality: Preferred for consistent plasma levels and ease of administration
Intramuscular Administration
- Dosage Range: 15-25 mg/kg body weight per day
- Frequency: Once daily
- Bioavailability: Comparable to subcutaneous, with slightly slower absorption
- Commonality: Used when subcutaneous sites are not viable
Oral Administration
- Dosage Range: 50 mg/kg body weight per day
- Frequency: Once or twice daily
- Bioavailability: Low, due to first-pass metabolism
- Commonality: Less common due to reduced efficacy
Comparison
Subcutaneous and intramuscular routes are preferred over oral administration due to higher bioavailability and more reliable pharmacokinetics. The choice between subcutaneous and intramuscular may depend on patient preference and specific clinical scenarios.
AICAR Dosage by Use Case
Metabolic Regulation
- Typical Dosage Range: 10-20 mg/kg body weight per day
- Administration Method: Subcutaneous
- Cycle Length: 4-6 weeks
- Clinical Reference: Studies indicate improved glucose metabolism and fatty acid oxidation (PMID 36670507).
- Practical Guidance: Many clinics recommend starting at the lower end of the range, adjusting based on response.
Energy Regulation
- Typical Dosage Range: 15-25 mg/kg body weight per day
- Administration Method: Intramuscular
- Cycle Length: 6 weeks
- Clinical Reference: Evidence supports enhanced mitochondrial function and energy homeostasis (PMID 36048820).
- Practical Guidance: Clinical protocols typically involve monitoring energy levels and adjusting doses accordingly.
Neurological Conditions
- Typical Dosage Range: 20-30 mg/kg body weight per day
- Administration Method: Subcutaneous or intramuscular
- Cycle Length: 4-8 weeks
- Clinical Reference: AICAR's role in neuronal development and differentiation is under investigation (PMID 29634397).
- Practical Guidance: Dosages may vary significantly based on individual neurological needs and clinical trials.
How Long Should You Take AICAR?
Typical AICAR cycles range from 4 to 6 weeks, with some protocols extending to 8 weeks based on therapeutic goals and patient response. During the initial week, patients may experience increased energy levels and improved metabolic markers. By weeks 2-4, many report enhanced endurance and metabolic efficiency. After 6 weeks, the benefits plateau, and tapering may be necessary to prevent potential side effects.
Clinical trials suggest that continuous use beyond recommended cycles does not significantly enhance benefits and may increase the risk of adverse effects. Therefore, cycling off AICAR is advised, with a rest period equal to the cycle length before resuming treatment.
Administration Protocol: How to Take AICAR
Injection Technique
- Needle Gauge: 25-30 gauge for subcutaneous; 22-25 gauge for intramuscular
- Injection Sites: Rotate between abdomen, thighs, and upper arms
- Rotation Schedule: Change sites with each injection to minimize tissue irritation
Oral Administration Timing
- Timing: Best taken on an empty stomach to enhance absorption
Storage Requirements
- Temperature: Store at room temperature, away from direct sunlight
- Light Sensitivity: Protect from light to maintain potency
- Reconstituted Stability: Use within 24 hours if reconstituted
Reconstitution Instructions
Refer to our reconstitution guide for detailed instructions on preparing AICAR for injection.
Step-by-Step Administration Process
- Wash hands thoroughly and gather supplies.
- Prepare the injection site with an alcohol swab.
- Draw the prescribed dose into the syringe.
- Administer the injection at a 45-degree angle for subcutaneous or 90-degree for intramuscular.
- Dispose of the needle safely and record the injection site and time.
Stacking AICAR for Better Results
AICAR and BPC-157
- Combination: Used for enhanced tissue repair and metabolic function
- Dosing Synergy: AICAR 10-20 mg/kg with BPC-157 200-500 mcg daily
- Common Protocols: Often used in injury recovery protocols
AICAR and TB-500
- Combination: Promotes muscle recovery and reduces inflammation
- Dosing Synergy: AICAR 15-25 mg/kg with TB-500 2-5 mg weekly
- Common Protocols: Employed in athletic performance enhancement




