Evaluation of the effect of consuming natural chewing gum fortified by vitamin D3 compared to vitamin D3 tablets

Evaluation of vitamin D3-fortified natural chewing gum's impact on students' serum 25(OH)D levels.

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251027067781N1

Enrollment

Registered

2025-11-26

Start date

2025-11-22

Completion date

Unknown

Last updated

2025-12-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vitamin D3 deficiency. Vitamin D deficiency, unspecified

Interventions

Intervention 1: Intervention group: Consumer of chewing gum enriched with vitamin D3. Intervention 2: Control group: Vitamin D3 tablet user.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Insufficient serum vitamin D3 levels Not pregnant No underlying disease (diabetes, autoimmune diseases) Kidney and cardiovascular diseases and failures Not taking vitamin D supplements Abstaining from alcohol and drugs Taking medications that affect fat absorption

Exclusion criteria

Exclusion criteria: pregnancy Taking vitamin D supplements Alcohol consumption

Design outcomes

Primary

Measure	Time frame
25(OH)D serum level. Timepoint: Before the start of the study and 14 and 30 days after starting to take the tablets and gum. Method of measurement: Testing of collected serum samples using ELISA method.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactRazagh Mahmoudi

Qazvin University of Medical Sciences

r.mahmodi@yahoo.com+98 28 3335 2653

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026