What Is Jardiance?
Jardiance (empagliflozin) is a prescription medication in the SGLT2 inhibitor class. It's FDA-approved to:
- Lower blood sugar in adults with type 2 diabetes
- Reduce cardiovascular death risk in adults with type 2 diabetes and established cardiovascular disease
- Reduce hospitalization risk for heart failure in adults with heart failure
Weight loss is a documented side effect, but Jardiance is not FDA-approved for weight management and is not prescribed solely for that purpose.
SGLT2 Inhibitors: The Medication Class
Jardiance belongs to a class called SGLT2 (sodium-glucose cotransporter-2) inhibitors. Other medications in this class include:
- • Farxiga (dapagliflozin)
- • Invokana (canagliflozin)
- • Steglatro (ertugliflozin)
All SGLT2 inhibitors cause similar modest weight loss as a class effect.
Clinical Trial Data: How Much Weight Do People Lose?
Multiple clinical trials have documented Jardiance's weight loss effects:
EMPA-REG OUTCOME Trial
Large cardiovascular outcomes trial with 7,020 participants with type 2 diabetes:
- • 10mg dose: Average loss of 3.7 lbs (1.7 kg) at 1 year
- • 25mg dose: Average loss of 4.2 lbs (1.9 kg) at 1 year
- • Placebo: Average loss of 1.5 lbs (0.7 kg)
- • Net difference: ~2-3 lbs more than placebo
Pooled Analysis of Four Trials (N=2,477)
Meta-analysis published in Diabetes, Obesity and Metabolism:
- • Average weight loss: 2.5% of body weight
- • For a 200 lb person: ~5 lbs loss
- • For a 250 lb person: ~6.25 lbs loss
- • Timeline: Most weight lost in first 12 weeks, then stabilizes
Key takeaway: Jardiance causes consistent but modest weight loss—typically 4-6 pounds for most people. This is significantly less than GLP-1 medications like semaglutide or tirzepatide.
How Does Jardiance Cause Weight Loss?
The mechanism is completely different from GLP-1 medications:
The SGLT2 Mechanism
Your kidneys filter blood and normally reabsorb all the glucose (blood sugar) back into your bloodstream. SGLT2 proteins in your kidneys handle this reabsorption.
Jardiance blocks SGLT2 proteins, preventing glucose reabsorption. Result:
- Glucose stays in the kidney filtrate and is excreted in urine
- You literally pee out 60-80 grams of glucose per day
- That's 240-320 calories lost daily without burning it
- Over time, this caloric deficit leads to modest weight loss
Why Weight Loss Plateaus
Jardiance doesn't suppress appetite like GLP-1s. When you lose 5-6 pounds via glucose excretion, your body compensates:
- • Increased hunger signals to replace lost calories
- • Metabolic adaptation (your body burns slightly fewer calories at rest)
- • Many people unconsciously eat more to compensate
This is why weight loss plateaus around 2-3% and doesn't continue indefinitely.
Jardiance vs GLP-1 Medications for Weight Loss
How does Jardiance compare to dedicated weight loss medications?
| Factor | Jardiance (SGLT2) | Semaglutide (GLP-1) | Tirzepatide (GLP-1/GIP) |
|---|---|---|---|
| Average Weight Loss | 2-3% body weight | 14.9% (Wegovy 2.4mg) | 20.9% (Zepbound 15mg) |
| Example (200 lb person) | 4-6 lbs | ~30 lbs | ~42 lbs |
| Mechanism | Glucose excretion in urine | Appetite suppression | Appetite suppression |
| FDA Approval for Weight Loss | No (diabetes only) | Yes (Wegovy) | Yes (Zepbound) |
| Administration | Oral pill (daily) | Injection (weekly) | Injection (weekly) |
| Common Side Effects | Genital yeast infections, UTIs, frequent urination | Nausea, diarrhea, vomiting | Nausea, diarrhea, vomiting |
| Cost (monthly, approx.) | $600-700 | $1,000-1,400 | $1,000-1,400 |
| Best For | Diabetes + heart disease | Primary weight loss goal | Primary weight loss goal |
Clear verdict: If your primary goal is weight loss, GLP-1 medications are 5-7x more effective than Jardiance. Jardiance is best for people who need diabetes or heart failure treatment and appreciate the modest weight loss as a bonus.
Who Should Consider Jardiance?
Jardiance makes sense for specific patient profiles:
✓ Good Candidate If You:
- • Have type 2 diabetes requiring treatment
- • Have heart failure or cardiovascular disease
- • Want to avoid injections (Jardiance is oral)
- • Can't tolerate GLP-1 nausea
- • Need diabetes control with modest weight loss bonus
- • Have kidney protection as a goal (SGLT2s protect kidneys)
✗ Not Ideal If You:
- • Don't have diabetes (won't be prescribed)
- • Want significant weight loss (GLP-1s better)
- • Have recurrent UTIs or yeast infections
- • Have severe kidney disease (contraindicated)
- • Are on dialysis
- • Have type 1 diabetes (risk of DKA)
Combination Therapy: Jardiance + GLP-1 Medications
Because Jardiance and GLP-1 medications work via different mechanisms, some doctors prescribe them together:
Potential Benefits of Combination:
- 1.Enhanced weight loss: SGLT2 glucose excretion + GLP-1 appetite suppression = additive effect
- 2.Better blood sugar control: Two mechanisms working together for diabetes management
- 3.Cardiovascular protection: Both classes reduce heart disease risk via different pathways
- 4.Complementary side effects: SGLT2s don't cause nausea; GLP-1s don't cause UTIs
- • Cost: Two expensive medications ($2,000-2,500/month combined without insurance)
- • Side effects: Additive risks—more monitoring required
- • Hypoglycemia risk: If also on insulin or sulfonylureas, low blood sugar possible
- • Insurance coverage: May not cover both simultaneously without prior authorization
Some research suggests combination therapy produces 3-5% more weight loss than GLP-1 alone, but studies are limited. Discuss with your provider if you have both diabetes and significant weight loss goals.
Side Effects and Safety Considerations
Jardiance's side effect profile is distinct from GLP-1 medications:
Common Side Effects
- Genital yeast infections (10-15% of users): Glucose in urine creates environment for yeast overgrowth. More common in women. Treatable with OTC antifungals.
- Urinary tract infections (UTIs): Increased urination and glucose in urine raise infection risk. Symptoms: burning, urgency, frequency.
- Frequent urination: Especially in first few weeks. Your body is excreting extra glucose dissolved in water.
- Dehydration: Increased urination can lead to fluid loss. Drink 8-10 glasses of water daily.
- Dizziness: Related to dehydration and blood pressure drops. Usually improves after first month.
Serious Risks (Rare)
⚠️ Serious Side Effects to Know:
- •Diabetic ketoacidosis (DKA): Rare but serious. Watch for nausea, vomiting, abdominal pain, confusion. Seek immediate medical care.
- •Fournier's gangrene: Extremely rare but life-threatening genital infection. Seek emergency care for severe genital pain, redness, fever.
- •Acute kidney injury: Particularly in dehydrated patients. Stay well-hydrated, especially during illness.
- •Low blood pressure: Can cause falls in elderly. Monitor when standing up.
- •Hypoglycemia: If combined with insulin or sulfonylureas, blood sugar can drop too low.
Cost and Insurance Coverage
Jardiance pricing (without insurance):
- Brand-name Jardiance: $600-700 per month
- With insurance (diabetes diagnosis): Often covered with $30-100 copay
- With insurance (weight loss only): Unlikely to be covered—not FDA-approved indication
- Manufacturer coupon: May reduce copay to $10/month if eligible
Generic availability: No generic empagliflozin available in the US yet. Patent protection runs until 2025-2027 depending on formulation.
Frequently Asked Questions
Can I get Jardiance prescribed solely for weight loss?
Unlikely. Jardiance is not FDA-approved for weight loss. Most doctors won't prescribe it off-label for this purpose when far more effective options (GLP-1 medications) exist. You'd need a diabetes or heart failure diagnosis for insurance coverage and appropriate prescribing.
Is Jardiance better than metformin for weight loss?
Roughly equivalent. Metformin causes 2-3% body weight loss on average, similar to Jardiance. Metformin is generic and much cheaper ($4-20/month), making it the preferred first-line diabetes medication. Jardiance is typically added later if metformin alone doesn't control blood sugar.
Will I gain the weight back if I stop Jardiance?
Likely yes, unless you maintain a caloric deficit through diet and exercise. Jardiance causes weight loss by excreting calories—once you stop, that ~300-400 calorie daily deficit disappears. Without compensating behavioral changes, weight typically returns within 3-6 months.
Does Jardiance work for weight loss if I don't have diabetes?
Mechanically, yes—it would still cause glucose excretion and modest weight loss. However, it's not prescribed to non-diabetics due to lack of FDA approval, safety concerns (increased infection risk without therapeutic benefit), and the existence of better alternatives.
Can I take Jardiance with Wegovy or Mounjaro?
Yes, if your doctor prescribes both. Some patients with diabetes take both for enhanced blood sugar control and weight loss. However, insurance coverage, cost, and monitoring requirements are considerations. Discuss with your provider.
Which causes more weight loss: Jardiance or Ozempic?
Ozempic (semaglutide) causes significantly more weight loss—10-15% body weight vs Jardiance's 2-3%. Ozempic is roughly 5x more effective for weight loss. See our GLP-1 comparison guide for detailed data.
Bottom Line: Is Jardiance a Weight Loss Drug?
Key Takeaways
- ✓Jardiance causes modest weight loss (2-3% body weight) as a side effect, not as its primary purpose. It's a diabetes medication, not a weight loss drug.
- ✓Mechanism is caloric excretion via urine—different from GLP-1 appetite suppression. You lose ~300-400 calories/day through glucose in urine.
- ✓GLP-1 medications are 5-7x more effective for dedicated weight loss (14-20% vs 2-3% body weight).
- ✓Best for people with diabetes or heart failure who appreciate weight loss as a beneficial side effect.
- ✓Combination therapy with GLP-1s is possible for patients with both diabetes and significant weight loss goals, but costly and requires monitoring.
If your primary goal is weight loss, GLP-1 medications like semaglutide or tirzepatide are significantly more effective. If you have type 2 diabetes and want a medication that helps with both blood sugar and weight, Jardiance is a solid option—just set realistic expectations for weight loss magnitude.
Interested in Effective Weight Loss Medications?
Learn about GLP-1 medications that are FDA-approved specifically for weight loss with significantly better results than SGLT2 inhibitors.