berberine and glutathione Frontiers Berberine Phytosome™ | Women's Metabolic

The most critical factor determining longevity is storage temperature - every 10C increase roughly doubles degradation rate, making freezer storage (-20C) essential for long-term powder storage and refrigeration (2-8C) mandatory for reconstituted peptides

10.1002/cam4.35 58 JuY.ZhangY.TianX.ZhuN.ZhengY.QiaoY.et al (2025)

Adduct concentrations varied according to the degree of exposure

Some fortified foods contain B12, such as plant-based milk drinks, yeast extract (Marmite) but the NHS says sources for vegans are limited and a vitamin B12 supplement may be needed. The British Dietetic Association (BDA) recommends the following advice: Long-term vegetarians and vegans should have their vitamin B12 status checked, especially as high folate levels can mask vitamin B12 deficiency, encouraged to consume B12 fortified foods and if required, recommended supplements of around 10 mcg per day to ensure adequate status. Always check in with your doctor if you are vegan and are concerned about your B12 levels, says Dr Michael