Amylase

What It Is

Amylase is a digestive enzyme that cleaves starch molecules into simple sugars (maltose, glucose) that can be absorbed in the small intestine. Supplemental forms typically come from fungal sources (Aspergillus oryzae) and are added to digestive supplements or enzyme-coated kibbles. The catch: heat destroys enzymes, so quality products either microencapsulate the amylase or apply it after kibble processing in a topical coating. Look for products listing activity units (DU) rather than just weight to ensure actual enzyme potency.

Compare to Similar Ingredients

• vs. cellulase: Amylase breaks down starches into sugars, while cellulase breaks down plant fiber (cellulose). Dogs produce amylase naturally but not cellulase.

Why It's Used in Dog Products

Manufacturers include amylase in dog food, treats, and supplements for several reasons:

• Helps break down complex carbohydrates
• May improve nutrient absorption from grain-containing foods
• Supports digestive function, especially in dogs with pancreatic insufficiency
• Can reduce gas and bloating from carbohydrate fermentation

Nutritional Profile

Chemical Properties

• Form: Enzyme (breaks down starch into simple sugars)
• Protein: Trace amounts (enzymes are proteins, but used in minimal quantities)
• Moisture: Variable (powder or liquid)

Nutritional Role

• Function: Digestive enzyme; aids carbohydrate digestion
• Key Benefits: Supports starch breakdown (especially for dogs with pancreatic insufficiency)
• Source: Typically from fungal (Aspergillus) or bacterial sources
• Note: Supplemental enzyme for digestive support; dogs produce amylase naturally

Quality Considerations

Look for products listing enzyme activity units (DU - Dextrinizing Units) rather than just weight. Fungal-sourced amylase (from Aspergillus) is common and effective. Heat destroys enzymes, so quality products either add amylase after kibble processing (in topical coating) or microencapsulate it. Most beneficial for dogs with exocrine pancreatic insufficiency (EPI) or seniors with declining enzyme production. Healthy dogs on typical kibble produce adequate amylase naturally.

Scientific Evidence & Research

Function and Purpose

Amylase is a digestive enzyme that catalyzes the hydrolysis of starch and complex carbohydrates into simpler sugars (maltose, glucose). Added to pet supplements and some foods to support carbohydrate digestion. Dogs naturally produce pancreatic and salivary amylase, but supplementation may assist digestion of starch-heavy diets.

Mechanism of Action

Amylase breaks α-1,4-glycosidic bonds in starch molecules, converting them to oligosaccharides and disaccharides. This enzymatic action begins in the mouth (if salivary amylase present) and continues in the small intestine via pancreatic amylase. Supplemental amylase typically derived from fungal (Aspergillus oryzae) or bacterial sources. Functions optimally at pH 6.0-7.0. Reduces digestive burden on pancreas and improves nutrient availability from grain-based ingredients.

Efficacy Evidence

Moderate evidence supports digestive benefits in dogs consuming high-carbohydrate diets. May reduce flatulence, improve stool quality, and enhance nutrient absorption. Particularly beneficial for dogs with exocrine pancreatic insufficiency (EPI) or compromised pancreatic function. Healthy dogs with adequate pancreatic function may see minimal benefit. Efficacy depends on diet composition, enzyme stability, and dosing.

Safety Profile

Very safe at recommended doses. Enzymes are proteins that are digested like other dietary proteins if not used. No significant adverse effects documented. May cause mild GI upset if over-supplemented. No contraindications. Heat-sensitive; effectiveness reduced in kibble manufacturing unless microencapsulated.

Evidence Rating: Moderate

Good evidence for enzyme function and mechanism. Limited specific canine research on supplemental benefits in healthy dogs. Well-established therapeutic role in EPI. Safe and well-tolerated. Appropriate for digestive support supplements and therapeutic pancreatic enzyme replacement.

Label Guidance & Quality Indicators

Alternative Names

• Alpha-amylase
• Fungal amylase
• Aspergillus amylase
• Digestive enzyme complex (if part of blend)

Label Positioning & Marketing

Appears in digestive health supplements, probiotic formulas, and specialty diets for sensitive stomachs. Marketed for improved digestion, reduced gas, and better nutrient absorption. Common in grain-friendly or high-carb formulas.

Quality Indicators (Green Flags)

• Enzyme activity units specified (DU - Dextrinizing Units)
• Source organism identified (fungal/bacterial)
• Part of comprehensive enzyme blend (protease, lipase)
• Microencapsulated for stability
• Added after heat processing (in topical coating)
• Appropriate for diet composition (high starch content)
• Refrigeration or stability data provided

Red Flags

• No activity units listed (unknown potency)
• Added to low-carb formulas (unnecessary)
• Claims to cure digestive diseases
• Generic 'digestive enzymes' without specifics
• Heat-processed without protection
• Excessive marketing without dietary need
• No indication of source or stability

Frequently Asked Questions

Related Reading

Learn more: Digestive Enzymes for Dogs: Guide & Dosing · Cat Digestive Issues: Causes, Signs & What Actually Helps