Reviewed by the PeptideMind Team · Updated August 5, 2026

Mazdutide Peptide Dosage Guide, Benefits & Side Effects

Mazdutide (IBI-362) peptide dosage guide with our calculator: dual GLP-1/GCGR agonist approved in China for major weight loss, plus benefits, side effects & safety data.

As seen on

American PressStreet InsiderBusiness InsiderBenzingaCBSYahoo Finance

Mazdutide Dosage Schedule

A once weekly protocol studied for reducing appetite and helping the body burn more energy, with added benefits for blood sugar control in type 2 diabetes. Best suited for a longer, multi month commitment.

Mazdutide for Weight Loss and Blood Sugar Control

18 weeks, focused on weight management.

1 days per week

Taken Sunday.

6 mg per injection

6 mg per injection, given just under the skin in the abdomen or thigh.

Mazdutide is an experimental injection being studied for weight loss and blood sugar control in type 2 diabetes. It works by curbing appetite and helping your body burn more energy.

August 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5

What is Mazdutide?

Mazdutide is a lab-made injectable compound that acts on two different appetite and metabolism pathways at once. It helps reduce hunger, increases how many calories your body burns, and improves blood sugar control. It's approved in China for weight management and type 2 diabetes, though it isn't approved in the US and remains experimental outside China.

Weight

Research targets include appetite regulation, fat metabolism, and body composition.

Metabolic

Research targets include glucose regulation, insulin sensitivity, and energy metabolism.

Weight

maz

Metabolic

Our top-rated vendor

Our rankings are based solely on third-party lab testing rigor, COA transparency, and pricing, no paid placements, no affiliate influence. We update this list as new data comes in.

Based on current scores, this vendor ranks highest across those criteria.

Protide Health logo

Protide Health

#1 Rated Research Peptide Supplier

Visit site
View all vendors

What Does Mazdutide Do?

It activates two separate hormone receptors at once: one dials down appetite and slows digestion, while the other ramps up how many calories the body burns and how much fat the liver processes. It also appears to ease a form of cellular stress in the liver that's linked to fat buildup and inflammation.

Two receptors at once

Activates two separate hormone receptors simultaneously.

Curbs appetite

One receptor dials down appetite and slows digestion.

Burns more calories

The other raises calorie burn and eases liver-related cellular stress.

Mazdutide Targeted areas

Frequently Asked Questions About Mazdutide

Straight answers on reconstitution, dosing, and safety, everything you need to research with confidence. For research reference only.

Mazdutide Reconstitution Guide

Mazdutide is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 5mg, 6mg, 10mg sizes.

5 mg lyophilized vial

Mazdutide is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 5mg, 6mg, 10mg sizes.

2 mL bacteriostatic water

Adding 2 mL of bac water to a 5 mg vial gives a workable concentration for syringe dosing. More water makes microdosing easier; less concentrates each draw.

Storage after mixing

Freeze the dry powder — up to a year in a regular freezer or two years in a deep freezer — sealed away from moisture and light. Once mixed with liquid, refrigerate it and avoid freezing and thawing it repeatedly. After reconstitution, keep the vial refrigerated and use within 30 days.

Reconstitution steps

1

Remove caps & sanitize stoppers

2

Attach needle to syringe

3

Draw 2 mL bacteriostatic water

4

Insert needle into Mazdutide vial

5

Release water gently down the side

6

Swirl to dissolve — don't shake

7

Check for full dissolution

8

Refrigerate Mazdutide — good for 30 days

Chemical Makeup

31

Amino Acids

Mazdutide

Ala

A

Position 1

Met

M

Position 2

Ile

I

Position 3

Asn

N

Position 4

Pyl

O

Position 5

Ala

A

Position 6

Cys

C

Position 7

Ile

I

Position 8

Asp

D

Position 9

Leu

L

Position 10

Ile

I

Position 11

Asn

N

Position 12

Glu

E

Position 13

Ala

A

Position 14

Arg

R

Position 15

Ser

S

Position 16

Tyr

Y

Position 17

Asn

N

Position 18

Thr

T

Position 19

His

H

Position 20

Glu

E

Position 21

Thr

T

Position 22

Ile

I

Position 23

Cys

C

Position 24

Pro

P

Position 25

Glu

E

Position 26

Pro

P

Position 27

Thr

T

Position 28

Ile

I

Position 29

Asp

D

Position 30

Glu

E

Position 31

Amino acid sequence
AlaninePosition 1
MethioninePosition 2
IsoleucinePosition 3
AsparaginePosition 4
PyrrolysinePosition 5
AlaninePosition 6
CysteinePosition 7
IsoleucinePosition 8
Aspartic acidPosition 9
LeucinePosition 10
IsoleucinePosition 11
AsparaginePosition 12
Glutamic acidPosition 13
AlaninePosition 14
ArgininePosition 15
SerinePosition 16
TyrosinePosition 17
AsparaginePosition 18
ThreoninePosition 19
HistidinePosition 20
Glutamic acidPosition 21
ThreoninePosition 22
IsoleucinePosition 23
CysteinePosition 24
ProlinePosition 25
Glutamic acidPosition 26
ProlinePosition 27
ThreoninePosition 28
IsoleucinePosition 29
Aspartic acidPosition 30
Glutamic acidPosition 31

What Are the Benefits of Mazdutide?

What research says it may help with, and how it works in the body.

weight loss

Led to meaningful improvements in waist size, blood pressure (down about 7.6 points), and blood fat levels called triglycerides (down 43%).

Early analysis found an 80% drop in liver fat, suggesting it may help with fatty liver disease.

In the GLORY-2 clinical trial, a 9mg dose led to an average weight loss of 20.1% over 60 weeks, and almost half of participants lost 20% or more of their body weight.

type 2 diabetes

Lowered long-term blood sugar levels (measured by a marker called HbA1c) by 1.4-2.0 percentage points across trials, slightly outperforming semaglutide (a similar diabetes/weight-loss drug) in one trial.

48% of people reached both a healthy blood sugar target and lost at least 10% of their body weight, compared to only 21% of those on semaglutide (a similar diabetes/weight-loss drug).

cardiovascular

In clinical trials, it lowered the top blood pressure number by about 7.6 points and the bottom number by about 3 points.

Reduced total cholesterol by about 17%, blood fats (triglycerides) by about 43%, and LDL ("bad" cholesterol) by about 17%.

What Are the Side Effects of Mazdutide?

Who should avoid it, warning signs to watch for, and what to know before combining it with other compounds.

Who Should Avoid It

Personal or family history of medullary thyroid carcinoma

MEN2 syndrome history (class warning for GLP-1 agonists)

Pregnancy or breastfeeding (insufficient safety data)

Stop Right Away If You Notice

Severe or persistent abdominal pain (potential pancreatitis)

Neck lumps, hoarseness, or difficulty swallowing

Severe nausea/vomiting preventing adequate nutrition or hydration

Signs of severe hypoglycemia (confusion, sweating, shakiness)

Severe allergic reactions (rash, difficulty breathing, facial swelling)

Unusual mood changes, depression, or suicidal thoughts

Signs of gallbladder problems (severe upper right abdominal pain)

Milder Signs to Watch For

Clumping, discoloration, or moisture in powderPersistent cloudiness or particles after reconstitution indicates degradation
Was it helpful?Yes
No

Is Mazdutide FDA approved?

Mazdutide is not an FDA-approved drug. It is intended for research purposes only and is not approved for human consumption, diagnostic, or therapeutic use.

Research Use Only

Mazdutide has not been evaluated by the FDA for safety or efficacy in humans.

No Clinical Oversight

Not manufactured under FDA-regulated quality or clinical standards.

Unregulated Sourcing

Purity, dosing, and sourcing are not verified through FDA testing or oversight.

A smartphone screen displaying FDA status for a drug, indicating "FDA approved drug: No" and "Classification: Research use only." A banner notes "Research Only" with the disclaimer "not for human use," emphasizing its intended use for laboratory and analytical purposes.

Mazdutide Cycle Length: How Long Should It Last?

This breaks down how long a typical Mazdutide cycle runs and what research suggests happens at each stage. Research shows that staying on a peptide continuously, without a break, may make it less effective over time.

That's why most research protocols build in a break between cycles, often called a washout period, to let the body reset before starting again.

Week 1-2
Appetite reduction, possible mild nausea, decreased portion sizes
Week 3-4
Early weight loss begins (1-2%), improved satiety after meals
Week 4-8
Dose escalation phase, GI symptoms typically improving, 3-5% weight loss
Week 8-16
Steady weight loss continues (7-12%), energy expenditure effects evident
Week 16-32
Significant weight reduction (12-17%), metabolic markers improving
Week 32-60
Peak effects (up to 20% weight loss), sustained improvements in BP, lipids, glucose

Mazdutide Research References

It is an approved compound

4Research references

Mazdutide

Mazdutide is an approved compound

GLORY-1 Phase 3 Trial

610 Chinese adults with obesity/overweight; 48 weeks. First Phase 3 weight management trial showing clinically meaningful weight reductions. NEJM.

2025

DREAMS-3 Phase 3 Trial - Head-to-Head vs Semaglutide

349 Chinese adults with T2D and obesity; 32 weeks. Mazdutide superiority: 48% vs 21% achieved HbA1c <7.0% AND ≥10% weight reduction (p<0.0001).

2025

Phase 2 T2D Trial

Chinese adults with T2D; 20 weeks. HbA1c reductions 1.41-1.67% vs 0.03% placebo; weight loss up to 7.1%. Diabetes Care.

2024

GLORY-2 Phase 3 Trial

462 Chinese adults with obesity; 60 weeks; 9mg dose. 20.1% weight loss vs 2.8% placebo; 48.7% achieved ≥20% reduction; no plateau observed.

2025