TXNIP downregulates V-maf musculoaponeurotic fibrosarcoma oncogene homolog A (MafA), a transcription factor to drive insulin expression, and thus negatively regulates insulin expression 25
If nausea worsens with increased water, discuss slower titration or meal timing adjustments with your provider
Others choose to take collagen after sport for practical reasons (post-training snack): if this slot is easier to maintain, it is often superior in practice
Correcting a genuine B12 deficiency may restore energy levels, which can support a more active lifestyle, but this is not the same as B12 directly causing weight loss
doi: 10.3390/ijms19061754
If you are already on a stable metformin dose before starting tirzepatide, there is generally no reason to change it