You have gastrointestinal issues and cant absorb vitamins well
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Brands are catering to varied consumer needs by offering a spectrum of concentrations, from lower percentages (1-3%) suitable for beginners and sensitive skin to higher strengths (up to 8%) designed for targeted anti-aging and repair concerns
Am J Clin Nutr 1987
Lemon-lime : natural mineral water, acidity regulator: trisodium citrate, acid: citric acid, L-carnitine 0.2%, flavour, acidity regulator trisodium citrate, sweeteners: sodium cyclamate, acesulfame K, sodium saccharin, preservatives: potassium sorbate and sodium benzoate, stabiliser: gum arabic, vegetable oils (palm oil, rapeseed oil), coconut oil, colour Tartrazine* and Brilliant Blue FCF