GLP-1 Medications: Complete Guide GLP-1减重药物完全指南

GLP-1 receptor agonists have revolutionized the field of medical weight loss. Medications like Ozempic, Wegovy, and Mounjaro have helped millions of people achieve significant, sustained weight loss that was previously impossible through diet and exercise alone. But with so much media attention and misinformation, it is important to understand how these medications actually work, who they are best suited for, and what to expect.

GLP-1受体激动剂已经彻底改变了医学减重领域。Ozempic、Wegovy和Mounjaro等药物帮助数百万人实现了仅靠节食和运动无法达到的显著、持续的减重效果。但面对大量媒体关注和错误信息，了解这些药物的实际工作原理至关重要。

What Are GLP-1 Medications? 什么是GLP-1药物？

GLP-1 (Glucagon-Like Peptide-1) is a naturally occurring hormone produced in your gut after eating. It signals your brain that you are full, stimulates insulin release, and slows stomach emptying. GLP-1 medications mimic this hormone but last much longer in the body than the natural version — up to a week compared to just a few minutes.

GLP-1（胰高血糖素样肽-1）是您进食后肠道自然产生的激素。它向大脑发出饱腹信号、刺激胰岛素释放并减缓胃排空。GLP-1药物模拟这种激素，但在体内持续时间更长——长达一周，而天然版本只有几分钟。

Current GLP-1 Medications 目前的GLP-1药物

Semaglutide (Ozempic / Wegovy) 司美格鲁肽：

• Ozempic — FDA-approved for Type 2 diabetes; commonly prescribed off-label for weight loss. Weekly injection. 每周注射一次，FDA批准用于2型糖尿病。
• Wegovy — Same molecule as Ozempic but at a higher dose (2.4mg vs 1mg/2mg). FDA-approved specifically for weight management. Clinical trials showed average weight loss of 15-17% of body weight. 与Ozempic相同分子但更高剂量，平均减重15-17%。

Tirzepatide (Mounjaro / Zepbound) 替尔泊肽：

• A dual GIP/GLP-1 receptor agonist — targets two gut hormones instead of one
• SURMOUNT trial showed average weight loss of 20-26% at the highest dose — the most effective weight loss medication ever studied
• Available as Mounjaro (for diabetes) or Zepbound (for weight management) 双靶点药物，减重效果达20-26%，是有史以来最有效的减重药物

Liraglutide (Saxenda) 利拉鲁肽：

• An older GLP-1 medication requiring daily injection
• Average weight loss of 5-8% — less effective than semaglutide or tirzepatide but still meaningful 每日注射，平均减重5-8%

How Do They Help You Lose Weight? 它们如何帮助减重？

• Appetite suppression 抑制食欲 — Act on brain appetite centers to reduce hunger and food cravings, especially for high-calorie foods
• Slowed gastric emptying 延缓胃排空 — Food stays in your stomach longer, keeping you feeling full
• Improved insulin sensitivity 改善胰岛素敏感性 — Better blood sugar control reduces fat storage
• Reduced food noise 减少食物噪音 — Many patients report that the constant mental preoccupation with food dramatically decreases

Who Qualifies for GLP-1 Treatment? 谁符合GLP-1治疗条件？

FDA-approved criteria for weight management GLP-1 medications include adults with BMI of 30 or above (obese), or BMI of 27 or above (overweight) with at least one weight-related condition such as Type 2 diabetes, high blood pressure, high cholesterol, or sleep apnea.

FDA批准的条件包括：BMI 30以上（肥胖），或BMI 27以上且有至少一种体重相关疾病（如2型糖尿病、高血压、高胆固醇或睡眠呼吸暂停）。

Common Side Effects 常见副作用

Most side effects are gastrointestinal and typically improve over time as your body adjusts:

• Nausea 恶心 — Most common, affecting 40-50% initially; usually improves within 4-8 weeks
• Constipation or diarrhea 便秘或腹泻 — Manageable with dietary fiber and hydration
• Decreased appetite 食欲减退 — This is actually the desired effect but can lead to inadequate nutrition if not managed
• Fatigue 疲劳 — May occur during the initial adjustment period
• Rare but serious 罕见但严重 — Pancreatitis, gallbladder issues, thyroid concerns (rare); our medical team monitors for these

Important Considerations 重要注意事项

Muscle loss 肌肉流失： Rapid weight loss from GLP-1 medications can include significant muscle mass loss (up to 40% of weight lost may be lean mass). This is why our program includes strength training recommendations and adequate protein intake (minimum 1g per pound of ideal body weight). GLP-1快速减重可能导致肌肉流失，因此需要配合力量训练。

Weight regain after stopping 停药后反弹： Studies show that patients regain approximately two-thirds of lost weight within one year of stopping GLP-1 medications. This is not a personal failure — it reflects the biological nature of obesity as a chronic condition. Long-term use may be necessary, or a transition plan involving lifestyle habits should be in place. 停药后一年内约反弹三分之二的减重效果。

Not a standalone solution 不是独立解决方案： GLP-1 medications work best as part of a comprehensive weight management program that includes nutrition counseling, exercise, behavioral strategies, and metabolic health monitoring. 最佳效果需要结合全面的体重管理计划。

Our Weight Loss Program 我们的减重项目

At Best Medical Center, Dr. Pathak leads our medically supervised weight loss program that combines GLP-1 medications with nutritional counseling, exercise prescription, metabolic testing (including cortisol and thyroid panels), and regular monitoring. We help patients navigate insurance coverage, manage side effects, and develop sustainable healthy habits for long-term success.