Based on user reviews, the optimal dosage for Vitamin D3 K2 in treating acne seems to be around 5,000 IU daily, with some users suggesting an increase to 10,000 IU during periods of illness Read Review. This dosage is supported by anecdotal evidence from individuals who have noted significant improvements in their skin conditions after consistent use over months. For example, one reviewer shared that after six months on this dosage, their acne and skin rashes improved dramatically Read Review.
Additionally, users emphasize the importance of taking Vitamin D3 with cofactors such as K2 and magnesium to enhance effectiveness Read Review. Another user noted that Vitamin D appears to benefit acne-prone skin, while one anecdote of a teenager starting a daily regimen alongside omega-3 showed promising results, with visible improvements in acne clarity Read Review. Overall, while personal experiences can vary, a daily intake of around 5,000 IU seems to be commonly endorsed for supporting skin health and mitigating acne symptoms.