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Side-by-side financial comparison of MEDIFAST INC (MED) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

Zai Lab Ltd is the larger business by last-quarter revenue ($127.1M vs $75.1M, roughly 1.7× MEDIFAST INC). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs -36.9%). MEDIFAST INC produced more free cash flow last quarter ($-6.6M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs -34.4%).

Medifast, Inc. is an American nutrition and weight loss company based in Baltimore, Maryland. Medifast produces, distributes, and sells weight loss and health-related products through websites, multi-level marketing, telemarketing, and franchised weight loss clinics.

Zai Lab Ltd is a global biopharmaceutical company focused on developing, manufacturing and commercializing innovative therapies for oncology, autoimmune disorders, infectious diseases and other unmet medical needs. It operates primarily in the Greater China region and partners with leading global biotech firms to expand access to life-saving treatments for underserved patient populations.

MED vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.7× larger
ZLAB
$127.1M
$75.1M
MED
Growing faster (revenue YoY)
ZLAB
ZLAB
+54.0% gap
ZLAB
17.1%
-36.9%
MED
More free cash flow
MED
MED
$20.1M more FCF
MED
$-6.6M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
-34.4%
MED

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MED
MED
ZLAB
ZLAB
Revenue
$75.1M
$127.1M
Net Profit
Gross Margin
69.4%
51.0%
Operating Margin
-10.4%
-54.6%
Net Margin
Revenue YoY
-36.9%
17.1%
Net Profit YoY
EPS (diluted)
$-1.64
$-0.05

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MED
MED
ZLAB
ZLAB
Q4 25
$75.1M
$127.1M
Q3 25
$89.4M
$115.4M
Q2 25
$105.6M
$109.1M
Q1 25
$115.7M
$105.7M
Q4 24
$119.0M
$108.5M
Q3 24
$140.2M
$101.8M
Q2 24
$168.6M
$100.1M
Q1 24
$174.7M
$87.1M
Net Profit
MED
MED
ZLAB
ZLAB
Q4 25
Q3 25
$-2.3M
$-36.0M
Q2 25
$2.5M
$-40.7M
Q1 25
$-772.0K
$-48.4M
Q4 24
Q3 24
$1.1M
$-41.7M
Q2 24
$-8.2M
$-80.3M
Q1 24
$8.3M
$-53.5M
Gross Margin
MED
MED
ZLAB
ZLAB
Q4 25
69.4%
51.0%
Q3 25
69.5%
59.5%
Q2 25
72.6%
60.6%
Q1 25
72.8%
63.6%
Q4 24
74.1%
61.5%
Q3 24
75.4%
64.1%
Q2 24
73.2%
64.9%
Q1 24
72.8%
61.4%
Operating Margin
MED
MED
ZLAB
ZLAB
Q4 25
-10.4%
-54.6%
Q3 25
-4.6%
-42.3%
Q2 25
-1.0%
-50.3%
Q1 25
-1.1%
-53.3%
Q4 24
0.6%
-62.6%
Q3 24
1.5%
-66.6%
Q2 24
-4.7%
-76.0%
Q1 24
4.5%
-80.7%
Net Margin
MED
MED
ZLAB
ZLAB
Q4 25
Q3 25
-2.5%
-31.2%
Q2 25
2.3%
-37.3%
Q1 25
-0.7%
-45.8%
Q4 24
Q3 24
0.8%
-40.9%
Q2 24
-4.8%
-80.2%
Q1 24
4.8%
-61.4%
EPS (diluted)
MED
MED
ZLAB
ZLAB
Q4 25
$-1.64
$-0.05
Q3 25
$-0.21
$-0.03
Q2 25
$0.22
$-0.04
Q1 25
$-0.07
$-0.04
Q4 24
$0.08
$-0.09
Q3 24
$0.10
$-0.04
Q2 24
$-0.75
$-0.08
Q1 24
$0.76
$-0.05

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MED
MED
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$167.3M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$198.9M
$715.5M
Total Assets
$248.0M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MED
MED
ZLAB
ZLAB
Q4 25
$167.3M
$689.6M
Q3 25
$173.5M
$717.2M
Q2 25
$162.7M
$732.2M
Q1 25
$164.6M
$757.3M
Q4 24
$162.3M
$779.7M
Q3 24
$170.0M
$616.1M
Q2 24
$163.5M
$630.0M
Q1 24
$156.4M
$650.8M
Stockholders' Equity
MED
MED
ZLAB
ZLAB
Q4 25
$198.9M
$715.5M
Q3 25
$214.7M
$759.9M
Q2 25
$216.0M
$791.7M
Q1 25
$211.0M
$810.8M
Q4 24
$210.1M
$840.9M
Q3 24
$207.3M
$667.7M
Q2 24
$205.3M
$704.2M
Q1 24
$211.0M
$762.2M
Total Assets
MED
MED
ZLAB
ZLAB
Q4 25
$248.0M
$1.2B
Q3 25
$268.2M
$1.2B
Q2 25
$269.3M
$1.2B
Q1 25
$280.0M
$1.2B
Q4 24
$284.2M
$1.2B
Q3 24
$291.2M
$985.3M
Q2 24
$293.5M
$987.4M
Q1 24
$302.8M
$988.4M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MED
MED
ZLAB
ZLAB
Operating Cash FlowLast quarter
$-5.3M
$-26.0M
Free Cash FlowOCF − Capex
$-6.6M
$-26.7M
FCF MarginFCF / Revenue
-8.8%
-21.0%
Capex IntensityCapex / Revenue
1.8%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$1.2M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MED
MED
ZLAB
ZLAB
Q4 25
$-5.3M
$-26.0M
Q3 25
$12.1M
$-32.0M
Q2 25
$-3.4M
$-31.0M
Q1 25
$3.4M
$-61.7M
Q4 24
$-4.9M
$-55.8M
Q3 24
$9.1M
$-26.8M
Q2 24
$13.1M
$-42.2M
Q1 24
$7.3M
$-90.1M
Free Cash Flow
MED
MED
ZLAB
ZLAB
Q4 25
$-6.6M
$-26.7M
Q3 25
$10.8M
$-35.0M
Q2 25
$-4.8M
$-33.9M
Q1 25
$1.9M
$-63.2M
Q4 24
$-7.2M
$-58.4M
Q3 24
$7.7M
$-28.2M
Q2 24
$11.1M
$-42.9M
Q1 24
$5.4M
$-91.1M
FCF Margin
MED
MED
ZLAB
ZLAB
Q4 25
-8.8%
-21.0%
Q3 25
12.0%
-30.4%
Q2 25
-4.5%
-31.1%
Q1 25
1.6%
-59.9%
Q4 24
-6.1%
-53.8%
Q3 24
5.5%
-27.7%
Q2 24
6.6%
-42.9%
Q1 24
3.1%
-104.5%
Capex Intensity
MED
MED
ZLAB
ZLAB
Q4 25
1.8%
0.5%
Q3 25
1.5%
2.6%
Q2 25
1.3%
2.6%
Q1 25
1.3%
1.5%
Q4 24
1.9%
2.4%
Q3 24
1.0%
1.3%
Q2 24
1.1%
0.7%
Q1 24
1.1%
1.1%
Cash Conversion
MED
MED
ZLAB
ZLAB
Q4 25
Q3 25
Q2 25
-1.36×
Q1 25
Q4 24
Q3 24
8.04×
Q2 24
Q1 24
0.88×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MED
MED

Segment breakdown not available.

ZLAB
ZLAB

Zejula$56.0M44%
Other$21.9M17%
Nuzyra$16.0M13%
Optune$11.9M9%
XACDURO$10.7M8%
Qinlock$9.7M8%
AUGTYRO$836.0K1%

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