True Colloidal Gold – 25 ppm - 99.99+% Purity - 250 mL (8.45 Fl Oz) in Clear BPA-Free Plastic Bottle - Made in USA

Perfect quality great price colloidal goldShipping was slow but it finally arrived

Bottle was ruptured.

Colloidal Gold: Increase in brain and neuron functionality Used in research for its optical properties, potential applications in diagnostics and targeted drug delivery due to its ability to bind to specific molecules.

How does someone know how much to take when there’s no label that mentions dosage/ serving size amounts?I asked the question to seller thru AMZN last week but still no response 🤷🏽