There is no published human cycling RCT
What Are the Risks Associated with Injection Therapy
A recent study on hyperfocus across ADHD, autism, and AuDHD found that ADHD-only folks showed less hyperfocus at school than Autistic participants, while AuDHD participants showed the most intense hyperfocus of all three groups except when it came to screen time (Dwyer et al., 2024)
There are several different types of vitamin B12 supplements available today: Capsules/pills that are taken by mouth Sublingual forms of B12, which are dissolved under the tongue Nasal gel form, which is usually a prescription that is taken through the nose to treat deficiency B12 injections, which are usually given by prescription but sometimes are given over-the-counter B12 ointments and creams, used to treat skin conditions like sores, dermatitis, eczema or psoriasis The vitamin B12 supplement brand that is best for you depends on the dose you need, how well you can absorb B12 and how you prefer to take supplements
Both exist in a research peptide category that Canadian residents can access for research purposes