Douglas Laboratories Aler-Gest supplement bottle

Aler-Gest Review

Q: What are the ingredients in Douglas Laboratories Aler-Gest?

Douglas Laboratories Aler-Gest contains 3 active ingredients: Lipase (as Aspergillus oryzae) (55 mg), Amylase (as Aspergillus oryzae) (38 mg), Protease (as Papaya) (10 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Q: Is Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. Note: Douglas Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

What We Researched

3 active ingredients analyzed · 7 inactive ingredients decoded · 6 brand certifications checked · Page generated: Sep 2026

100

Product Score Excellent

100

Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

Ingredient	Amount	% DV
Lipase (as Aspergillus oryzae)	55 mg	†
Amylase (as Aspergillus oryzae)	38 mg	†
Protease (as Papaya)	10 mg	†

Bioavailability Excellent

Absorption Rating

Lipase (as Aspergillus oryzae) Good
Amylase (as Aspergillus oryzae) Good
Protease (as Papaya) Good

Other Ingredients Excellent

Fillers & Additives

Sorbitol
Cellulose
Vegetable Stearate
Silica
Alfalfa powder
Natural Peppermint Flavor
Date powder

Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient	Amount	% Daily Value
Lipase (as Aspergillus oryzae)	55 mg	†
Amylase (as Aspergillus oryzae)	38 mg	†
Protease (as Papaya)	10 mg	†

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Alfalfa powder Unknown

Natural Peppermint Flavor Generally_safe

It is used to add a peppermint flavor.

Date powder Unknown

Brand Trust Report

Certifications

6 certifications

Consumerlab Source available Primary evidence

Fda Gmp Inspections Source available Primary evidence

Nsf Certified For Sport Source available Primary evidence

Nsf Gmp Source available Primary evidence

Usda Organic Source available Primary evidence

NSF Certified Supporting evidence unavailable checked 2026-05-05

Transparency

5 claims

Third Party Testing Claim — Verified Evidence available Evidence

Coa Availability — Verified Evidence available Evidence

In House Testing — Verified Evidence available Evidence

Testing Lab Disclosure — True Brand claim; evidence unavailable checked 2026-05-05

Violation History

2 incidents

Recall Douglas Labs Stress-B-Plus2024-10-07 Source available Primary source

Prop 65 Lead2008-10-22 Source available Primary source

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Frequently Asked Questions

Is Douglas Laboratories Aler-Gest a good supplement?

Douglas Laboratories Aler-Gest received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 active ingredients with 125 servings per container. Of the 7 inactive ingredients, 5 are rated safe and 0 ingredients are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 100/100.

What are the ingredients in Douglas Laboratories Aler-Gest?

Douglas Laboratories Aler-Gest contains 3 active ingredients: Lipase (as Aspergillus oryzae) (55 mg), Amylase (as Aspergillus oryzae) (38 mg), Protease (as Papaya) (10 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Douglas Laboratories Aler-Gest safe to take?

GoodSupp reviewed the inactive-ingredient data available for Douglas Laboratories Aler-Gest. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. Note: Douglas Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.