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Products & Services
About D2d study
The D2d Study is a large-scale clinical trial to investigate if vitamin D supplementation helps prevent or delay type 2 diabetes in adults who are at high risk for diabetes (pre-diabetes). "Past observational studies have suggested that higher levels of vitamin D may be beneficial in preventing type 2 diabetes.
Its primary NAICS classification is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). D2d study is one of 418,710 Industrial & mechanical companies listed in Massachusetts.
Business Contact Information
- Phone
- +1 (312) 5033413
- Website
- d2dstudy.org
- facebook.com/d2dstudy
- Address
- Tufts Medical Center, Boston, Massachusetts, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5417Scientific Research and Development Services
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 873Research, Development, And Testing Services
- 8731
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $2.8M ($1M-$5M)
D2d study: frequently asked questions
What does D2d study do?
The D2d Study is a large-scale clinical trial to investigate if vitamin D supplementation helps prevent or delay type 2 diabetes in adults who are at high risk for diabetes (pre-diabetes). "Past observational studies have suggested that higher levels of vitamin D may be beneficial in preventing type 2 diabetes.
Where is D2d study located?
D2d study is headquartered at Tufts Medical Center, Boston, Massachusetts, United States.
How many employees does D2d study have?
D2d study has about 19 employees (the 11-20 range).
What is D2d study's annual revenue?
D2d study's annual revenue is estimated at $2.8M (the $1M-$5M range).
What industry is D2d study in?
D2d study is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).
How can I contact D2d study?
Its website is d2dstudy.org and its phone number is +1 (312) 5033413.
Largest companies in Massachusetts
Largest industrial & mechanical companies
Manufacturing sales in Massachusetts, 2026
In Massachusetts, Factur's 2026 study counted 32 manufacturing quotes worth $961K and 7 purchase orders over 12 months: 22% of quotes became orders, against 21% nationally. See the Massachusetts data.
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