Biocare nutrisorb zinc ascorbate 30ml nutrisorb liquid zinc plus ascorbate is a highly absorbable liquid zinc combined with vitamin c which can be taken under the tongue or in drinks additional information highly bio available liquid formulation ideal for those who have difficulty or prefer not to swallow capsules or tablet presented as a simple hypoallergenic water base suitable for the elderly zinc and vitamin c contribute to the normal function of the immune system zinc and vitam