Muscle Guard Booster
A targeted amino acid injection built to protect lean muscle while you lose weight — especially important for patients on caloric restriction or GLP-1 receptor agonist therapy.
What is the Muscle Guard Booster Injection?
The Muscle Guard Booster is an intramuscular nutrient injection composed of targeted amino acids designed to support individuals undergoing active weight loss, particularly those on caloric restriction or incretin-based medications like GLP-1 receptor agonists.
The Role of Amino Acids in Preserving Lean Mass During Weight Loss
This loss of lean mass slows resting metabolic rate and increases vulnerability to weight regain. Supplying targeted essential amino acids stimulates muscle protein synthesis, attenuates muscle protein breakdown, and helps maintain muscle tissue integrity throughout the weight loss journey.
Protects Lean Muscle

Weight loss can reduce muscle along with body fat. Muscle Guard Booster provides amino acids that your body uses to build muscle protein. This helps support lean mass, strength, and a healthy metabolism throughout your weight-loss journey.
Supports Daily Energy

Eating fewer calories can sometimes leave you feeling tired. Key nutrients support your body’s natural energy-producing processes, helping you stay active and consistent with your goals.
Promotes Exercise Recovery

Physical activity places healthy stress on your muscles. Amino acids provide building blocks that support your body’s natural muscle-repair process, helping you recover and stay on track with your exercise routine.
Supports Healthy Skin & Hair

Amino acids help your body produce proteins such as collagen and keratin. These proteins support normal skin structure and hair strength as your body changes during weight loss.
Injectable Bioavailability vs. Oral Supplementation
INJECTABLE VS. ORAL
Intramuscular injection therapy provides significant pharmacological advantages over traditional oral powders or tablets. GLP-1 medications slow gastric emptying, which can delay digestion and cause gastrointestinal distress when taking large volumes of oral protein supplements.
Intramuscular administration bypasses first-pass hepatic metabolism and digestive absorption constraints, delivering nutrients directly into systemic circulation for enhanced cellular absorption and complete bioavailability.
Treatment overview & pricing options
Choose the option that fits your program
Pricing and availability may vary by clinic location. Speak with your Medi-Weightloss provider to determine the right protocol for your program.
weekly
Muscle Guard Booster Standalone
Lean muscle preservation, protein synthesis, recovery, skin/hair support
- $25
weekly
Lean Muscle Support Combo
Dual-action: fatty acid oxidation plus muscle tissue protection
- $37.50
Frequently Asked Questions About Muscle Guard
Why is muscle preservation critical while taking GLP-1 weight loss medications?
Incretin-based medications like GLP-1s cause significant calorie reduction, which can lead to losing muscle tissue alongside fat. Muscle tissue regulates resting metabolic rate; losing skeletal muscle slows metabolism and increases the risk of weight regain. Muscle Guard Booster provides targeted amino acids to protect muscle tissue during active weight loss.
How do amino acid injections support skin and hair integrity during weight loss?
Amino acids are essential building blocks for collagen and keratin proteins. Rapid weight loss can compromise skin elasticity and weaken hair structures. By maintaining optimal circulating amino acid pools, Muscle Guard Booster supports tissue repair, helps maintain skin firmness, and minimizes sagging appearance.
How frequently should I get the Muscle Guard Booster injection?
Muscle Guard Booster is formulated for weekly administration as part of a comprehensive, physician-supervised weight management program. Weekly dosing ensures consistent amino acid availability for tissue repair, energy support, and metabolic preservation during calorie restriction.
Can Muscle Guard Booster be combined with other vitamin injections?
Yes. Muscle Guard Booster is designed to complement Medi-Weightloss’s nutrient injection portfolio. It is frequently paired with L-Lean L-Carnitine for a combined price of $37.50, providing dual support for fat metabolism and muscle preservation.