Any vision decline is of concern, and you should visit an optometrist before assuming your blurry vision is due to a vitamin deficiency
Running them together under a prescribed protocol covers both layers of the healing process
Product Overview AOD-9604 (often searched as AOD-9064) is a synthetic peptide fragment derived from the C-terminus of human growth hormone (hGH), specifically mapping to amino acid residues 177-191, with an additional tyrosine residue incorporated at the N-terminus to stabilise the molecule

Vitamin B12 Benefits Outside of its role in supporting weight loss, Vitamin B12 has a variety of health benefits: Brain Health Support: Vitamin B12 is essential for maintaining healthy nerve cells, which play a role in helping neurotransmitters produce and communicate Immune System Boost: Adequate levels of vitamin B12 help support a stronger, healthier immune system Promotes Heart Health: B12 helps regulate the bodys levels of homocysteine, amino acids that can increase your risk of heart disease Bone Health Support: Vitamin B12 also plays a role in maintaining your bone health, which can help prevent the onset of conditions like osteoporosis Vitamin B12 injections offer immediate improvements, helping increase your energy levels and improve your mood so that you can stay focused on and committed to your weight loss goals
Cellular mechanisms of insulin resistance