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[26] [27] It can be obtained as dark red crystals or as an amorphous red powder

It's wasteful though and I don't think I'll persevere with that method, even though I have a nearly entire box of 100 insulin needles to get rid of now

Vitamin B12 deficiency is Symptoms of B12 deficiency include: rapid breathing shortness of breath headaches palpitations or fast heart rate indigestion, diarrhea, or loss of appetite blurry vision weakness or tiredness mouth ulcers or irritation cognitive changes, such as difficulty with memory, judgment, or understanding infertility Contact your doctor to discuss injections or supplements if you experience any conditions or risk factors related to vitamin B12 deficiency

Adjust frequency and formulation as needed