Vital Earth Minerals Cal-Mag Liquid – Calcium Magnesium Supplement with Vitamin D3, K2, Boron, and Fulvic Acid for Faster Absorption, 32 Oz + 1 Oz Cup

Customers find the mineral supplement effective at preventing leg cramps and improving knee and back pain, while appreciating its taste and ease of use, with one noting it's easier to take than swallowing pills. The product receives positive feedback for its absorption, with one customer highlighting the benefits of fulvic acid, and customers consider it an excellent source of calcium. Opinions about value for money are mixed, with some finding it good value while others warn not to waste money on it. Customers have mixed experiences with stomach effects, with some saying it doesn't cause stomach issues while others report nausea.