How much vitamin D does a Malaysian menopausal woman need?

Malaysian menopausal women need 800-2000 IU vitamin D3 daily, with optimal blood levels 30-50 ng/mL (75-125 nmol/L). Despite Malaysia being tropical, vitamin D deficiency is common - over 50% of Malaysian women have suboptimal levels, especially hijab-wearing Muslim women, women working in offices during daylight, and sunscreen users. Recommendations: (1) Ministry of Health Malaysia Osteoporosis CPG 2022 - minimum 800-1000 IU daily for postmenopausal women for osteoporosis prevention. (2) North American Menopause Society and endocrinologists often recommend 1000-2000 IU daily, especially if blood test shows deficiency. (3) For women already diagnosed deficient (level < 20 ng/mL), repletion dose can be 5000-10000 IU daily for 8-12 weeks, then maintenance dose. Supplement options in Malaysia: (a) Now Foods D3 5000 IU - popular, low cost, softgel contains gelatin (needs halal cert). (b) Doctor's Best D3 5000 IU with K2 - optimal combination for bones. (c) Lichen-derived D3 (vegan) - fully halal option without gelatin. Good practice: take with fatty food (higher absorption). Vitamin D blood test at Malaysian private hospitals: current rates that vary by facility. Discuss with doctor if you take anticoagulants, have kidney issues, or want higher doses.