
Day 8
Day 8 is a climate tech startup focused on sustainable protein production.
About
Day 8 extracts Rubisco, the world's most abundant protein, from upcycled crop leaves to create a high-quality, cost-effective, and sustainable protein powder. This ingredient serves food companies looking to reduce dependency on traditional protein sources and volatile egg prices, offering a soluble, restorative, allergen-free, and neutral-tasting alternative.
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Develops and commercializes animal-free dairy proteins for food and beverage applications.
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Key facts
- Website
- day8food.com
- Headquarters
- San Francisco, United States
- Founded
- 2022
- Employees
- 6
- Total funding
- $750K (Pre-Seed)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 21 Feb 2024 | Pre-Seed | $750K | The Kitchen FoodTech Hub |
Tech stack
Detected on day8food.com, last scanned 7 Nov 2026. Run your own scan
- Compliance
- GDPR, CCPA
- Frontend
- jQuery
- Analytics
- Google Analytics 4, Microsoft Clarity
- SEO
- Yoast SEO
- CMS / Builders
- WordPress
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Accessibility
- UserWay
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Frequently asked
Is Day 8 trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Day 8 is 79 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Day 8 raised?
Day 8 has raised a total of $750K in funding. The most recent round on record is Pre-Seed.
How many employees does Day 8 have?
Day 8 has approximately 6 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for Day 8:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules


