Labdoor is an honest and transparent marketplace where consumers can find reliable, scientific reviews and shop for quality-tested supplements all in one place.
• We buy actual product samples from popular retail outlets and send them to FDA-registered laboratories for detailed chemical analyses.
• Our scientists then use internal algorithms to translate the laboratory results into simple grades and rankings for our website and mobile apps.
• Find a product you love? Products are available for direct purchase too.
• We buy actual product samples from popular retail outlets and send them to FDA-registered laboratories for detailed chemical analyses.
• Our scientists then use internal algorithms to translate the laboratory results into simple grades and rankings for our website and mobile apps.
• Find a product you love? Products are available for direct purchase too.
Location: United States, California, San Francisco
Employees: 11-50
Phone: +1 415-549-7339
Founded date: 2012
Investors 10
Mentions in press and media 24
| Date | Title | Description |
| 01.07.2026 | The Hidden Cost of Efficiency: How Singapore Professionals Manage "Chronic Low-Grade Fatigue" | SINGAPORE, July 1, 2026 /PRNewswire/ -- With locals working an average of 43–45 hours per week, Singapore professionals face widespread "chronic low-grade fatigue." Research in the Journal of the American Medical Association (JAMA... |
| 20.12.2023 | The 8 best whey protein powders of 2023 | Reviews Chevron icon It indicates an expandable section or menu, or sometimes previous / next navigation options. Health The 8 best whey protein powders of 2023 Written by James Brains and Rick Stella Updated 2023-12-20T16:28:01Z Share icon... |
| 01.08.2023 | The 5 best natural, artificial-free protein powders, backed by sports nutritionists | Reviews Chevron icon It indicates an expandable section or menu, or sometimes previous / next navigation options. Health The 5 best natural, artificial-free protein powders, backed by sports nutritionists Written by Dominique Michelle Astor... |
| 15.08.2017 | Study on choline intakes suggests eggs or supplements are only way to get enough | The study, published on Aug. 5 2017 in the journal Nutrients, looked at data from the National Health and Nutrition Examination Survey (NHANES) in the 2009-2014 period. Data for pregnant women were assessed from the 2005-2014 time frame.... |
| 02.03.2017 | Floodgate closes sixth fund with $131 million | Floodgate, a Palo Alto, Ca.-based early stage venture capital firm, has raised $131 million for its sixth fund, according to an SEC filing that shows the 11-year-old firm turned to just eight investors for the capital commitments. Though sm... |
| 03.11.2016 | In Labdoor, Floodgate sees an e-commerce giant in disguise | Fish oil. Protein shakes. Vitamin D pills. The packages look alike. Does it matter which you buy? It certainly does, according to Labdoor, a four-year-old, South San Francisco-based startup that tests about 50 supplements and energy drinks ... |
| 19.10.2016 | Women’s vitamin startup Ritual is now open for orders, with $3.5 million more from investors | Ritual, a Disrupt Battlefield startup with a focus on women’s nutrition, officially launched today. We first told you about the company aiming to make a better vitamin for women last spring when Ritual’s founder Kat Schneider came onstage t... |
| 10.05.2016 | Ritual wants to reinvent the vitamin | Ritual has developed a beaded oil capsule vitamin for sustained release from what it says are the best ingredients found throughout the world to nourish your body. The company launched today onstage at Disrupt NY. Vitamins, even the sustain... |
| 06.05.2015 | Все стартапы последнего выпуска Y Combinator, ФРИИ, Techstars и Tolstoy Startup Camp Статьи редакции | Редакция ЦП собрала в одном материале все стартапы, которые были представлены на последнем Demo Day стартап-акселераторов Y Combinator, ФРИИ, Techstars и Tolstoy Startup Camp. Y Combinator Выпуск — март 2015 года. Akido Labs — стандартизиро... |
| 24.03.2015 | 47 Startups That Launched At Y Combinator Winter 2015 Demo Day 2 | Y Combinator got so big, it had to split its Demo Day in two. During today’s second wave we saw a variety of promising biotech, marketplace, enterprise, and financial tech startups. Yesterday we chronicled 50 consumer, B2B, developer, and h... |
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