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GLP-1 Decoder

Compare GLP-1 Drugs: Every Drug Side by Side in One Table

All 10 FDA-approved GLP-1 medicines side by side: what each is approved for, trial weight loss, the most common side effect and the monthly price. Then pick a head-to-head below.

Medicines
10
Manufacturers
Novo Nordisk, Eli Lilly and others
Compare GLP-1 drugs: GLP-1 pens, pills and a vial side by side

Weight loss and half-life at a glance

How long each drug stays in your body
Wegovy7 dOzempic7 dRybelsus7 dZepbound5.5 dMounjaro5 dTrulicity5 dFoundayo1.6 dSaxenda0.5 dVictoza0.5 dByetta0.1 d

Half-life in days: how long your body needs to get rid of half a dose. Section 12.3 of each FDA label gives the number.

The weight lost in the main weight trial for each medicine
Zepbound20.9%Wegovy14.9%Foundayo11.1%Saxenda7.4%

Percentage of body weight. Trials, doses and lengths differ, so compare each result with the placebo from the same study on that drug's page.

Sources (10)

FDA labels (DailyMed) 1 2 3 4 5 6 7 8 9 10.

Daily pill

Wegovy pill

semaglutide · Novo Nordisk

What it costs
$149a month5
Paying cash, the lowest self-pay monthly price is at NovoCare for the pill, 1.5 mg.
Trial weight loss
13.6%22
of body weight. Trial OASIS 4, 64 weeks; placebo at 2.4%.
  • Half-life of the drugabout 1 week22
  • Main side effectLike the pen, mostly nausea22
  • Self-pay $149
  • TrumpRx $149
  • Insured from $25
  • Medicare $50
  • List $1,349.02
Daily pill

Rybelsus

semaglutide · Novo Nordisk

What it costs
$149a month1
Cash payment: the lowest self-pay price per month (NovoCare, Ozempic pill, which replaces Rybelsus).
Trial weight loss
3.7 kg23
Weight lost over 26 weeks in PIONEER 1 (type 2 diabetes); placebo -1.4 kg.
  • Half-life of the drugabout 1 week23
  • Main side effect
    Nausea 20% at 14 mg, placebo 6%23
  • Self-pay $149
  • Insured from $25
  • List $1,027.51
Daily pill

Foundayo

orforglipron · Eli Lilly

What it costs
$149a month15
Paying cash through LillyDirect, 0.8 mg or 2.5 mg gives you the lowest self-pay price each month.
Trial weight loss
11.1%24
ATTAIN-1, 72 weeks, measured a loss of body weight. Placebo: 2.1%.
  • Half-life of the drug29 to 49 hours24
  • Main side effect
    At 17.2 mg, nausea was 35%, compared with 10% for placebo24
  • Self-pay $149
  • Insured from $25
  • Medicare $50
  • List $649
Weekly pen

Ozempic

semaglutide · Novo Nordisk

What it costs
$199a month1
Cash payment, the lowest self-pay rate per month (NovoCare, first 2 fills of the pen intro, 0.25 mg and 0.5 mg).
Trial weight loss
4.7 kg25
in SUSTAIN 1 over 30 weeks, with type 2 diabetes, this weight was lost; placebo -1.2 kg.
  • Half-life of the drugabout 1 week25
  • Main side effect
    At 1 mg, nausea was 20.3%, compared with 6.1% for placebo25
  • Self-pay $199
  • TrumpRx $199
  • Insured from $25
  • List $1,027.51
Weekly pen

Wegovy pen

semaglutide · Novo Nordisk

What it costs
$199a month4
Cash payment, the lowest self-pay rate per month (NovoCare, first 2 fills of the pen intro, 0.25 mg and 0.5 mg).
Trial weight loss
14.9%22
STEP 1, 68 weeks, measured a loss of body weight. Placebo: 2.4%.
  • Half-life of the drugabout 1 week22
  • Main side effect
    At 2.4 mg, nausea was 44%, compared with 16% for placebo22
  • Self-pay $199
  • TrumpRx $199
  • Insured from $25
  • Medicare $50
  • List $1,349.02
Weekly pen or vial

Zepbound

tirzepatide · Eli Lilly

What it costs
$299a month12
Paying cash, the lowest self-pay price a month (LillyDirect, a vial or the KwikPen 2.5 mg).
Trial weight loss
20.9%26
SURMOUNT-1, 72 weeks, measured a loss of body weight. Placebo: 3.1%.
  • Half-life of the drug5 to 6 days26
  • Main side effect
    Nausea 29% at 10 mg, versus placebo 8%26
  • Self-pay $299
  • TrumpRx $299
  • Insured from $25
  • Medicare $50
  • List $499 to $1,086
Daily pen

Victoza

liraglutide · Novo Nordisk

What it costs
$543.51a month20
The monthly list price, before any discount.
Trial weight loss
2.5 kg27
lost in LEAD-3, over 52 weeks in type 2 diabetes; glimepiride +1.1 kg.
  • Half-life of the drugabout 13 hours27
  • Main side effect
    Nausea in 20% at 1.8 mg, placebo 5%27
  • List $543.51
Weekly pen

Trulicity

dulaglutide · Eli Lilly

What it costs
$1,006.93a month19
The monthly list price, before any discount.
Trial weight loss
4.6 kg28
lost in AWARD-11, 36 weeks in type 2 diabetes, Dulaglutide 4.5 mg weekly.
  • Half-life of the drugabout 5 days29
  • Main side effect
    Nausea: 21.1% at 1.5 mg, placebo 5.3%29
  • Insured from $25
  • List $1,006.93
Weekly pen

Mounjaro

tirzepatide · Eli Lilly

What it costs
$1,112.16a month11
The monthly list price, before any discount.
Trial weight loss
7.8 kg30
type 2 diabetes, SURPASS-1, 40 weeks: weight lost, placebo -1.0 kg.
  • Half-life of the drugabout 5 days30
  • Main side effect
    Nausea: 18% at 15 mg, placebo 4%30
  • Insured from $25
  • Not covered $499
  • Medicare $0 to $50
  • List $1,112.16
Daily pen

Saxenda

liraglutide · Novo Nordisk

What it costs
$1,349.02a month21
The monthly list price, before any discount.
Trial weight loss
7.4%31
SCALE Obesity and Prediabetes, 56 weeks: body weight lost. Placebo: 3%.
  • Half-life of the drugabout 13 hours31
  • Main side effect
    Nausea 39.3%31 Saxenda, placebo 13.8%
  • List $1,349.02

Complete comparison table

All FDA-approved GLP-1 drugs sold in the US, with the lowest self-pay price listed first
MedicineFormFDA-approved forWeight loss in trialsMost common side effectPrice a month
Wegovy pill semaglutide, Novo Nordisk
Daily pillWeight loss, Heart risk, MASH liver diseaseOASIS 4, 64 weeks: 13.6% of body weight, placebo 2.4%22Like the pen, mostly nausea22
Self-pay $149 NovoCare, pill 1.5 mg5
Other ways to pay
  • Pill, starting dose: TrumpRx $149 a month2
  • Insurance: from $25 with a savings card, and your plan must cover it5
  • Weight loss use: Medicare $50, through the GLP-1 Bridge6
  • List $1,349.02 per month7
Rybelsus semaglutide, Novo Nordisk
Daily pillType 2 diabetes, Heart riskPIONEER 1, type 2 diabetes, 26 weeks: 3.7 kg lost, placebo -1.4 kg23Nausea 20% 14 mg, placebo 6%23
Self-pay $149 NovoCare, Ozempic pill, which replaces Rybelsus1
Other ways to pay
  • Insurance: from $25 with a savings card, and your plan must cover it8
  • List $1,027.51 per 30 tablets9
Foundayo orforglipron, Eli Lilly
Daily pillWeight lossin ATTAIN-1, 72 weeks, 11.1% of body weight against 2.1% on placebo24Nausea 35% 17.2 mg, placebo 10%24
Self-pay $149 LillyDirect, 0.8 mg and 2.5 mg15
Other ways to pay
  • Insurance: from $25 with a savings card, and your plan must cover it16
  • Weight loss use: Medicare $50, through the GLP-1 Bridge16
  • List $649 per month17
Ozempic semaglutide, Novo Nordisk
Weekly penKidney disease in type 2 diabetes, along with Type 2 diabetes and Heart riskin SUSTAIN 1, for type 2 diabetes over 30 weeks, 4.7 kg lost versus -1.2 kg on placebo25Nausea 20.3% 1 mg, placebo 6.1%25
Self-pay $199 NovoCare, pen intro (first 2 fills, 0.25 mg and 0.5 mg)1
Other ways to pay
  • For the pen starting dose, TrumpRx $199 a month2
  • Insurance: from $25 with a savings card, and your plan must cover it1
  • List $1,027.51 per pen3
Wegovy pen semaglutide, Novo Nordisk
Weekly penWeight loss, Heart risk, MASH liver diseasein STEP 1, 68 weeks, 14.9% of body weight versus 2.4% on placebo22Nausea 44% 2.4 mg, placebo 16%22
Self-pay $199 NovoCare, pen intro (first 2 fills, 0.25 mg and 0.5 mg)4
Other ways to pay
  • For the pen starting dose, TrumpRx $199 a month2
  • Insurance: from $25 with a savings card, and your plan must cover it5
  • Weight loss use: Medicare $50, through the GLP-1 Bridge6
  • List $1,349.02 per month7
Zepbound tirzepatide, Eli Lilly
Weekly pen or vialWeight loss, Sleep apneain SURMOUNT-1, 72 weeks, 20.9% of body weight versus 3.1% on placebo26Nausea 29% 10 mg, placebo 8%26
Self-pay $299 LillyDirect, vial or KwikPen 2.5 mg12
Other ways to pay
  • For the vial starting dose, TrumpRx $299 a month2
  • Insurance: from $25 with a savings card, and your plan must cover it13
  • Weight loss use: Medicare $50, through the GLP-1 Bridge13
  • Per fill, the listed price is $499 to $1,08614
Victoza liraglutide, Novo Nordisk
Daily penType 2 diabetes, Heart riskin LEAD-3, for type 2 diabetes over 52 weeks, 2.5 kg lost, while glimepiride gave +1.1 kg27Nausea 20% 1.8 mg, placebo 5%27
List $543.51 per 2 pens20
Trulicity dulaglutide, Eli Lilly
Weekly penType 2 diabetes, Heart riskin AWARD-11, for type 2 diabetes over 36 weeks, 4.6 kg lost while taking Dulaglutide 4.5 mg each week28Nausea 21.1% 1.5 mg, placebo 5.3%29
List $1,006.93 per fill19
Other ways to pay
  • Insurance: from $25 with a savings card, and your plan must cover it18
Mounjaro tirzepatide, Eli Lilly
Weekly penType 2 diabetes, Heart riskin SURPASS-1, for type 2 diabetes over 40 weeks, 7.8 kg lost versus -1.0 kg on placebo in the trial30Nausea 18% 15 mg, placebo 4%30
List $1,112.16 per fill11
Other ways to pay
  • Insurance: from $25 with a savings card, and your plan must cover it10
  • $499 savings card when your plan does not cover it10
  • About 8 in 10 people pay $0 to $50 through Medicare Part D10
Saxenda liraglutide, Novo Nordisk
Daily penWeight lossin SCALE Obesity and Prediabetes, 56 weeks, 7.4% of body weight versus 3% on placebo31Nausea 39.3% Saxenda, placebo 13.8%31
List $1,349.02 per 5 pens21
Sources (31)

123456789101112131415161718192021, FDA label on DailyMed 1 2 3 4 5 6 7 8 9, PubMed.

Big trial weight loss results

GLP-1 trial results
TrialWhoLengthAverage weight loss by armPlaceboSource
STEP 1Adults with obesity or overweight, without diabetes68 weeksSemaglutide 2.4 mg weekly 14.9%2.4% FDA label (DailyMed)
OASIS 4Adults with obesity or overweight, without diabetes64 weeksWegovy pill 25 mg daily 13.6%2.4% FDA label (DailyMed)
SURMOUNT-1Adults with obesity or overweight, without diabetes72 weeks15% Tirzepatide 5 mg weekly; 19.5% Tirzepatide 10 mg weekly; 20.9% Tirzepatide 15 mg weekly3.1% FDA label (DailyMed)
SURMOUNT-2Adults who have obesity or overweight plus type 2 diabetes72 weeks12.8% Tirzepatide 10 mg weekly; 14.7% Tirzepatide 15 mg weekly3.2% PubMed
SURMOUNT-5Adults with obesity, without type 2 diabetes72 weeksZepbound: Tirzepatide 10 or 15 mg each week, 20.2%; Wegovy: Semaglutide 1.7 or 2.4 mg each week, 13.7%Not listed PubMed
SCALE Obesity and PrediabetesAdults with obesity or overweight who do not have type 2 diabetes56 weeksLiraglutide 3.0 mg daily 7.4%3% FDA label (DailyMed)
ATTAIN-1Adults with obesity or overweight, without diabetes72 weeks7.4% Foundayo 5.5 mg daily; 8.3% Foundayo 9 mg daily; 11.1% Foundayo 17.2 mg daily2.1% FDA label (DailyMed)
ATTAIN-2Adults who have obesity or overweight plus type 2 diabetes72 weeks5.1% Foundayo 5.5 mg daily; 7% Foundayo 9 mg daily; 9.6% Foundayo 17.2 mg daily2.5% FDA label (DailyMed)
STEP 2Adults who have obesity or overweight plus type 2 diabetes68 weeksSemaglutide 2.4 mg weekly 9.6%3.4% PubMed
STEP-HFpEFAdults with obesity and heart failure with preserved ejection fraction52 weeksSemaglutide 2.4 mg weekly 13.3%2.6% PubMed

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