GREEN PLANET - GPF UPTAKE - FULVIC - 10LGPF Uptake Fulvic Acid is a water soluble low molecular weight humic acid supplement that promotes the uptake of macro and micronutrients, plant health, vitality, and overall productivity of your garden. GPF Uptake is a water soluble formula of low molecular weight humic acid that benefits the plant during the entire growth cycle. One of the most important functions of GPF Uptake is its ability to help with the uptake of macro and micronutrients that