1. You suffer from muscle and joint pains regularly
The symptoms of vitamin D deficiency are so subtle in the beginning. Some of the earliest signs are muscle pains and joint weakness that you might easily dismiss as part of your tough daily routine or the effects of aging.
You may be able to tolerate the discomforts of muscle pains and joint weakness by simply slowing down your physical activities. However, if you’re lacking in vitamin D, this problem will keep returning. Additionally, it can worsen over time.