Hello, thanks for writing in, and for sharing your history so clearly. Your vitamin D probably isn't rising because the supplementation has been too irregular. Taking it only 2 to 3 times a year doesn't keep the level up, and it falls back within a few months. Other common reasons are very little sun exposure, taking the dose on an empty stomach (vitamin D needs some fat to absorb), low magnesium, and poor absorption from the gut. Your thyroid is also important here. A TSH of 7.21 is above the usual range, which suggests your hypothyroidism is not fully controlled. That alone can cause fatigue, muscle cramps, stiffness and a low, anxious feeling, so your symptoms may not be coming from vitamin D alone.

Need more information about you.It is not connected with supplements but at first improve your gut health for better absorption so detiled, connect me through practo you will get good results definitely.

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Pls connect  personally for personalised  consult to help u better Counter suggestions will not help

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If vitamin D is low and the level is not increasing despite completing a course, don’t simply keep increasing the dose. First look for the reason. If confirmed deficiency A commonly used treatment regimen is: * Vitamin D3 (cholecalciferol) 50,000 IU once weekly × 8 weeks * Then maintenance 1,500–2,000 IU/day may be used in adults with documented deficiency. * Recheck 25-OH Vitamin D after the treatment period as advised by the doctor. If level still doesn’t rise Check for: * Poor adherence or missed doses * Taking vitamin D without a proper meal/fat-containing meal * Malabsorption (celiac disease, IBD, bariatric surgery, etc.) * Kidney/liver problems * Medicines that increase vitamin-D breakdown * Calcium, PTH, magnesium abnormalities

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Good evening pls focus on dietary improvement rather on medicine or supplement solely.

Your Vitamin D level of 19.6 ng/mL is still low, and the fact that it increased only from 21 to 25 previously and has now dropped again suggests that you may need a proper maintenance strategy rather than occasional supplementation. Since you also have hypothyroidism and your TSH is 7.21, it would be important to consult your endocrinologist/physician to review whether your thyroid treatment is adequately controlled. Fatigue, muscle cramps and stiffness can have multiple causes, so these symptoms cannot be attributed to Vitamin D alone. From a nutrition perspective, make sure your Vitamin D supplement is taken regularly as prescribed, preferably with a meal containing some dietary fat, as this improves absorption. Also include Vitamin-D-rich foods such as egg yolks, fatty fish and fortified dairy/plant milk, although food alone may not be sufficient to correct a low level. I would also suggest discussing with your doctor whether calcium, magnesium, B12 and PTH need to be evaluated, particularly because of the muscle cramps and persistent low Vitamin D.