ProLon
PrivateLast Round
Series D
Extension
Jan 21, 2026
Total Funding Raised
$83.5M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
ProLon is a science-driven nutrition brand and the flagship product of L-Nutra, Inc., a nutrition technology company that develops evidence-based fasting-mimicking diet programs to support healthy aging and longevity.
Sector
Healthcare & Life Sciences
Verticals
D2C Brands, Sports & Fitness, E-commerce
Business Model
B2C
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
ProLon Comparables
Compare ProLon with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Clean Program | 76% | |
| Kroma Wellness | 73% | |
| Elysium Health | 68% |
ProLon Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D Extension | Jan 21, 2026 | ||||
| Series D | Nov 7, 2023 | ||||
| Private Equity | Jul 7, 2021 |
ProLon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| 618 Ventures | Series D Extension |
| Brentwood Associates | Series D Extension, Private Equity, Series D |
| Mubadala Investment Company | Series D Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Monthly visitors increased 78% MoM.
- Jan 21, 2026
Raised $37M led by Mubadala Investment Company.
ProLon Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about ProLon's valuation, stock price, and market status.
Is ProLon a public or private company?
ProLon is a private company.
What is the current stock price of ProLon?
ProLon is a private company, so its shares have no public market price. Caplight tracks ProLon's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is ProLon worth (valuation)?
Valuation information for ProLon is not publicly available.
Can I buy ProLon stock?
ProLon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was ProLon's last funding round?
ProLon's most recent funding round was Series D Extension on January 21, 2026.
Who are the main investors in ProLon?
Key investors in ProLon include Brentwood Associates, Mubadala Investment Company.
Will ProLon IPO soon?
No public IPO plans have been announced for ProLon.
How can I track ProLon secondary market activity?
Caplight tracks bids, offers, and trades in ProLon's shares on secondary markets.