what's the difference between bpc 157 and bpc 159 BPC-157 Benefits, Dosage & Before/After Results Excellent Review (free!) of BPC157

That all indicates to me that if you reach a B12 intake level that gives you coloured wee...you just scale back a bit

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Until the recent breakthrough on preparation of 15 N-labeled cobalamins via biosynthesis [8] and further development of the first multiple stable isotope dilution assay (SIDA) that simultaneously determines the four natural vitamers [7], the quantification of B12 in foods has been relying on methods mainly applying microbiological assays [9, 10], (U)HPLC-UV [11,12,13,14,15,16,17], and occasionally LC-ICP-MS [18]

Olivier Niggli, WADAs Director General, said: We encourage athletes, their entourage and all stakeholders to acquaint themselves with the Summary of Major Modifications to avoid inadvertent use of substances and methods that are prohibited in sport for 2025. Athletes and their support personnel should make themselves aware of the changes, review any medications they use, and apply for a TUE, if required, before the updated list comes into effect on 1 January 2025.

Also factor in the cost of the fundamentals that matter more than the blend

(4) K Halczuk, J Kamierczak-Baraska, B T Karwowski, et al (2023) Vitamin B12Multifaceted In Vivo Functions and In Vitro Applications Nutrients, 2023 Jun 13, Volume 15 (Issue 12), Page 2734