← All Ingredients Digestive

Last verified: 17 days ago

Digestive Enzymes

Also known as: proteases, lipase, amylase, glucoamylase, multienzyme supplements, microbial protease

Evidence under review. — Not yet rated

Digestive enzyme supplements may modestly speed amino acid absorption, but overall benefits are limited.

What it does

Digestive enzymes are proteins your body naturally produces to break down food. Supplemental versions — typically blends of proteases, lipase, and amylase — are taken with meals to help break down...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established dose
Found in

IM8 Daily Ultimate Essentials Pro, 1st Phorm Opti-Greens 50, 310 Greens - Mixed Berry and 17 more

What the Science Says

Digestive enzymes are proteins your body naturally produces to break down food. Supplemental versions — typically blends of proteases, lipase, and amylase — are taken with meals to help break down protein, fat, and carbohydrates. Two small clinical trials found modest benefits: a microbial protease blend increased early essential amino acid absorption by about 14% when taken with whey protein, and a multienzyme blend slightly sped up leucine absorption in middle-aged and older adults, though total amino acid levels were not significantly different from placebo.

What It Doesn't Do

Won't dramatically boost muscle growth or protein absorption for most healthy adults. No evidence they help with weight loss. Not proven to fix bloating or IBS in the provided studies. Benefits appear minimal or absent in people with normal digestion. Don't expect the same effect regardless of your body type — results varied significantly by sex, BMI, and lean mass.

Evidence-Based Benefits

Microbial protease taken with whey protein boosts early essential amino acid levels by ~14% in healthy adults.

Weak Evidence

Effective at: No established dose

Supporting studies (click to view on PubMed):

PMID 40675336

A multienzyme blend speeds up peak leucine absorption after a mixed meal in middle-aged and older adults.

Weak Evidence

Effective at: No established dose

Supporting studies (click to view on PubMed):

PMID 41662956

Microbial protease co-ingested with whey protein may reduce hunger hormone ghrelin and increase feelings of fullness.

Weak Evidence

Effective at: No established dose

Supporting studies (click to view on PubMed):

PMID 40675336

Absorption & Bioavailability

Unknown — the enzymes themselves act in the gut and are not meaningfully absorbed; their effect depends on activity in the digestive tract, which varies by individual factors like age, sex, and body composition

Red Flags to Watch For

Most of the provided research involves very small sample sizes (12–30 participants), limiting confidence in results
Benefits were inconsistent across individuals — sex, BMI, and lean mass all influenced outcomes significantly
Several papers in the provided dataset studied digestive enzymes in fish and shrimp, not humans — these findings do not apply to human supplementation
No long-term safety or efficacy data from the provided studies
Products vary widely in enzyme type, potency, and formulation — no standardized dosing exists

Products Containing Digestive Enzymes

See how Digestive Enzymes is used in these analyzed products:

IM8 Daily Ultimate Essentials Pro

Supplement

Overhyped

1st Phorm Opti-Greens 50

Overhyped

310 Greens - Mixed Berry

Supplement

Overhyped

Supplement

Mostly Legit

View all product reviews →

Frequently Asked Questions

What does Digestive Enzymes do?

Digestive enzyme supplements may modestly speed amino acid absorption, but overall benefits are limited.

What is the effective dose of Digestive Enzymes?

No established dose

Is Digestive Enzymes safe?

Most of the provided research involves very small sample sizes (12–30 participants), limiting confidence in results

What doesn't Digestive Enzymes do?

Won't dramatically boost muscle growth or protein absorption for most healthy adults.

Research Sources

PubMed
NIH DSLD

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25