Relative Efficacy of Vitamins D2 and D3 in Adult Humans

Creighton University

Status: Completed

Conditions: Healthy

Treatments: Dietary Supplement: vitamin D2; Dietary Supplement: vitamin D3

Study type: Interventional

Funder types: Other; Industry

Identifiers

NCT01139840

09-15612

Details and patient eligibility

About

Vitamin D2 in chronic dosing will produce less of an elevation of serum 25(OH)D than will the same dose of vitamin D3.

Enrollment: 32 patients

Sex: All

Ages: 21 to 65 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• willingness to withhold supplement use for duration of study
• willingness to avoid sun exposure for duration of study

Exclusion criteria

• vitamin D supplement use
• conditions that affect vitamin D metabolism by the body

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

---

32 participants in 2 patient groups

vitamin D2

Active Comparator group

Treatment:

Dietary Supplement: vitamin D2

vitamin D3

Active Comparator group

Treatment:

Dietary Supplement: vitamin D3