AICAR Dosage & Reconstitution Guide (AMPK Fat Loss Peptide Explained)

AICAR

AICAR is a metabolic research compound studied for its ability to activate AMPK, a key cellular energy sensor involved in fat oxidation, glucose uptake, and endurance signaling.

How It Works

AMPK Activation → Fat Oxidation ↑ → Glucose Uptake ↑ → Endurance Support ↑

AICAR mimics a low-energy cellular state, which activates AMPK and shifts the body toward improved metabolic efficiency, greater fat utilization, and enhanced endurance-related signaling.

Important Distinction

AICAR is not a peptide.

It is a metabolic research compound studied for AMPK activation.

It is often discussed in endurance, fat metabolism, and metabolic-support research contexts.

It should not be framed like a stimulant or appetite-suppressing compound.

AICAR Protocol

50 mg vial + 3.0 mL BAC Water → 1 unit = 166.7 mcg → Gradual AMPK Support

Standard / Gradual Approach

50 mg vial reconstituted with 3.0 mL bacteriostatic water

1 unit = 166.7 mcg

Weeks 1–2

Starting Dose

Daily Dose1,000 mcg (1 mg)

Units6 units

Volume0.06 mL

Weeks 3–4

Build

Daily Dose2,000 mcg (2 mg)

Units12 units

Volume0.12 mL

Weeks 5–8

Standard Range

Daily Dose3,000 mcg (3 mg)

Units18 units

Volume0.18 mL

Why use a gradual build?

AICAR affects metabolic signaling through AMPK. A gradual build is the cleanest way to assess energy response, endurance support, glucose-handling changes, and tolerance before moving into higher ranges.

How to Use AICAR (Cycle, Timing & Injection)

FrequencyOnce daily

TimingMorning or pre-workout

Cycle Length4–8 weeks

Injection TypeSubcutaneous injection

Common SitesAbdomen or thigh

Best Time to Use

Morning use is commonly discussed because AICAR is tied to energy metabolism and AMPK signaling.

Pre-workout use is also discussed in endurance-focused routines.

Avoid late-day use if it affects energy, appetite, or sleep patterns.

Consistency matters more than perfect timing.

Where to Inject

Subcutaneous injection is the common route discussed.

Common sites include the abdomen or thigh.

Rotate injection sites regularly to reduce irritation.

When to Use

During endurance-focused phases

During fat-metabolism or body-composition support phases

During metabolic-flexibility focused routines

Alongside training, diet consistency, hydration, and recovery support

Simple Strategy

Use With a Goal

AICAR is best framed as a metabolic-signaling research compound, not a casual daily stimulant.

Track Response

Watch endurance, training output, fatigue, low-blood-sugar-like symptoms, and whether the compound is actually improving the phase you are using it for.

Real-World vs Clinical Use

Real-World Range

Typical Use1–3 mg daily

GoalMetabolic support + endurance

Clinical / Research Context

Higher ExposureOften discussed at higher total doses

RealitySide effects and tolerability become more limiting

Simple takeaway:

Real-world use generally stays in lower daily ranges for tolerability, while research discussions sometimes reference higher exposure. A gradual build is the cleanest way to assess response.

Reconstitution & Dosing (50 mg Vial)

Reconstitution & Dosing

Vial50 mg

Water3.0 mL

Concentration16.67 mg/mL

Conversion1 unit = 166.7 mcg

Dose Reference

6 units = 1 mg

12 units = 2 mg

18 units = 3 mg

30 units = 5 mg

60 units = 10 mg

Reconstitution Steps

Draw 3.0 mL bacteriostatic water

Inject slowly down the vial wall

Gently swirl, do not shake

Allow powder to fully dissolve

Label with reconstitution date

Refrigerate after mixing

Storage & Shelf Life

Storage & Shelf Life

Lyophilized (unmixed)

Refrigerated (2–8°C): ~12–24 months

Frozen (−20°C): up to ~2–3 years

Store sealed, dry, and protected from light

Reconstituted (mixed)

Refrigerated (2–8°C): about 4 weeks typical use window

Do not freeze after mixing

Avoid repeated temperature changes

Best Practice

Handling

Keep the vial cold, protected from light, and limit unnecessary handling.

Visual Check

If the solution becomes cloudy, discolored, or contains visible particles, it is safer not to continue using it.

Time Between Cycles

Metabolic Signal → Adapt → Reassess → Reset if Needed

Standard Time Between Cycles

Cycle Length4–8 weeks

Time Off2–4 weeks

Longer UseUsually reassessed carefully due to tolerability

Why take a break?

AICAR is commonly discussed as a metabolic signaling compound. Taking time off after a defined support phase gives the body a chance to reset and allows you to reassess whether endurance, fat metabolism, or energy response actually improved.

Best Ways to Structure It

Option 14 weeks on, 2 weeks off

Useful for shorter performance or metabolic-support phases

Option 28 weeks on, 4 weeks off

Better for longer structured endurance or body-composition phases

Option 3Use only during a defined training block

Then stop once that performance or metabolic phase ends

When to Take a Break Sooner

Fatigue or low-energy symptoms become noticeable

Low-blood-sugar-like symptoms appear

Training output drops instead of improves

You are continuing without a clear metabolic or endurance goal

Monitoring During Use

Energy and endurance response

Training output

Fatigue or low-blood-sugar-like symptoms

Injection site tolerance

Benefits

Supports AMPK activation

May enhance fat metabolism

May improve endurance signaling

Supports glucose uptake and metabolic flexibility

Potential Side Effects

Fatigue or low energy

Possible hypoglycemia-like symptoms

Injection site irritation

Limited human clinical data

Important Notes

Not a stimulant

Often discussed in endurance and fat-loss contexts

Start low and increase gradually

Response may vary based on training and diet

AICAR is best used as a defined metabolic-support phase rather than nonstop use

Important Disclaimer

AICAR is not FDA-approved for human use and is classified as a research compound. This content is for educational purposes only.

View AICAR Guide → Peptide Directory →