What it does: Glycerin draws water to itself and retains it, helping to keep products moist, improve texture, and reduce drying. When ingested, it can mildly support digestive hydration.
How it is used: Glycerin is commonly used to keep softgels flexible, stabilize liquids, act as a carrier or mild sweetener, and prevent capsules from cracking or sticking together. It also occasionally appears in hydration formulas.
Natural sources and supplement forms: Naturally present in animal fats and plant oils such as coconut, soybean, and palm. Supplement-grade glycerin is usually a purified, liquid form sourced from plants.
Why it appears in supplement formulas: Glycerin helps maintain the quality, moisture, and stability of capsules and liquids, extends shelf life, and offers a gentle sweetness without significant calories.
What to know before use: Glycerin is widely considered safe in moderation, but higher amounts may cause bloating or a mild laxative effect in sensitive people.
Glycerin: A Natural Moisture Magnet in Your Supplements
Glycerin, also known as glycerol, is found naturally in plant oils and animal fats. In supplement formulas, it acts as a humectant, helping to keep capsules and softgels stable and preventing them from drying out. Its moisture-attracting properties make it a common and valued ingredient in both foods and supplements, supporting product freshness and consistency.
