Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon BetaVet Buildagut Save Liquid error (product-badge line 32): -Infinity% $49.50 SKU HFSDBBS 500g - $49.50 1.5kg - $120.90 3kg - $199.90 500g 1.5kg 3kg Weight Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available BuildaGut is a natural marine slow release supplement for horses. Derived from calcareous marine algae lithothamnion.