Keeping a finished food soft, fresh and appealing all the way to the end of its shelf life is one of the quieter challenges in product development. Baked goods stale, bars harden, fillings dry out — and the ingredient quietly doing the work to prevent that is the humectant. MoistPlus® is Nexus Ingredient’s clean-label answer: a 100% natural humectant syrup made from tapioca starch that locks in moisture while also improving texture, binding and machinability. This guide explains what MoistPlus® is, what it does, and how to use it.

What MoistPlus® Is

MoistPlus® Humectant Syrup (item code MPH-SYR) is a 100% natural, clean-label humectant and moisturising syrup formulated from natural unmodified cassava (tapioca) starch. It is a clear, colourless, viscous liquid with a slightly sweet taste and a clean, odourless profile — which makes it easy to incorporate without affecting the colour or flavour of the finished product.

It is, first and foremost, a humectant: an ingredient that attracts and holds water to keep products moist. But it is also multifunctional, offering texture enhancement, binding, a gluten-replacement effect and fat-replacement properties, while contributing to extended shelf life by helping manage moisture.

A point worth being clear about up front: MoistPlus® is a humectant, not a sweetener and not a fiber. It contains naturally occurring sugars from the starch conversion and carries no dietary fiber. Its job is moisture and texture management — not sugar reduction or fiber enrichment. Understanding that keeps it positioned correctly in a formulation.

How a Humectant Works

Humectants are hygroscopic — they bind the water already in a food and can draw moisture from the surrounding environment, which is what prevents foods from drying out and going stale, particularly in baked goods. By holding onto water, a humectant keeps a product soft, maintains its intended texture, and helps preserve the freshness consumers expect.

This moisture-binding role is closely tied to water activity — the measure of free, available water in a food. Water activity is one of the primary levers food technologists use to predict and control shelf life, because it governs microbial, chemical and physical stability. A humectant like MoistPlus® helps a formulator manage that balance: holding moisture in the product without simply adding free water that would raise spoilage risk.

It is worth understanding the distinction between moisture content and water activity, because it is the heart of how humectants work. Two products can contain the same total amount of water yet behave completely differently, because what matters for staling, microbial growth and texture is not how much water is present but how much of it is free and available. A humectant binds free water, lowering its availability while keeping the product moist to the touch and the bite. That is why a humectant can keep a product soft and fresh and support stability at the same time — it is managing the available-water balance, not just the moisture level.

What MoistPlus® Does in a Formulation

Across applications, MoistPlus® delivers a connected set of functional benefits:

• Humectancy and moisture retention. Its core role — locking in moisture to keep products soft and fresh through shelf life.
• Texture enhancement. It improves eating quality and mouthfeel, contributing to a softer, more appealing finished product.
• Binding. It helps hold formulations together — valuable in bars, balls and other formed or pressed products.
• Gluten-replacement effect. It contributes to structure and handling in gluten-free systems, helping address one of the hardest problems in gluten-free formulation: products that turn out dry, crumbly and quick to stale because they lack the moisture-holding network gluten normally provides.
• Fat replacement. It can stand in for some of the moisture and mouthfeel role that fat plays, supporting reduced-fat formulations.
• Shelf-life support. By managing moisture and helping control water activity, it supports a longer fresh, soft shelf life.

Because it is a clear, colourless, near-odourless syrup, it delivers these functions without introducing off-colours, off-flavours or cloudiness — a practical advantage over some humectant options.

Key Specifications

A few figures from the technical data sheet that matter to a formulator:

• Form: clear, colourless viscous liquid
• Brix: 76–77%
• pH: 4.0–5.0
• Moisture: <25%
• DE value: 24–28%
• Shelf life: 24 months, ambient storage in a cool, dry place
• Label declaration: Tapioca Starch, Tapioca Syrup, or Tapioca Dextrin Syrup

MoistPlus® is manufactured in Australia, and is non-GMO, gluten-free (tested <5 ppm per lot), vegan, allergen-free, Halal and Kosher certified, and SQF certified.

Where MoistPlus® Is Used

The packet positions MoistPlus® across a range of applications where moisture, softness and binding matter:

• Snack bars and protein balls — where it binds the matrix and keeps the product soft rather than hard and dry.
• Gluten-free baking — contributing the structure and moisture that gluten-free formulations typically lack.
• General baking — keeping baked goods soft and fresh for longer.
• Plant-based applications — as a natural, vegan moisture and texture tool.
• Ice cream and confectionery — supporting moisture balance and texture.

These align with the broader humectancy, shelf-life extension and moisture migration toolset, and overlap with applications such as protein bars and balls and gluten-free baked goods.

A Clean-Label Alternative to Synthetic Humectants

Part of MoistPlus®’s appeal is what it lets a formulator remove from the label. The conventional humectants used to keep products moist — glycerine (E422), sorbitol (E420) and other sugar alcohols and synthetic humectants — carry E-numbers and synthetic-sounding names that increasingly work against a clean-label positioning. MoistPlus® delivers the moisture-retention function through a single, recognisable plant-based ingredient declared simply as tapioca starch or tapioca syrup. For a manufacturer reformulating toward a cleaner label, that is the difference between an ingredient list a consumer trusts and one they question — without giving up the softness and shelf life the synthetic humectant was providing.

How Much to Use

Dosage is application-specific and depends on the moisture, texture and binding target for your product. As a clear syrup with high solids, MoistPlus® is incorporated into the wet phase of a formulation, with the level tuned to how much moisture retention and binding the product needs. The most reliable approach is to start from a benchmark for your category and trial from there; our technical team can provide a recommended starting point for your specific application alongside a sample.

MoistPlus® and the CapMoist® Humectant Range

MoistPlus® sits alongside Nexus Ingredient’s CapMoist® humectant range. Where CapMoist® variants are built around grape juice and rice-derived systems with their own colour and shelf-life profiles, MoistPlus® is a single-ingredient tapioca-starch syrup — clear, colourless and clean-tasting. The right choice depends on whether you want a humectant that also contributes colour and a particular flavour profile, or a neutral, near-invisible moisture tool. Our team can help match the right humectant to your application.

Frequently Asked Questions

Is MoistPlus® a sweetener? No. It contains some naturally occurring sugars from the starch conversion, but it is a humectant — its role is moisture and texture management, not sweetening or sugar reduction.

Does it add fiber? No. MoistPlus® carries no dietary fiber. If fiber enrichment is your goal, our FiberWorks® resistant-dextrin range is the right tool.

Will it change the colour or flavour of my product? It is clear, colourless and near-odourless with only a slight sweetness, so it integrates with minimal impact on colour or flavour.

How is it declared on the label? As Tapioca Starch, Tapioca Syrup, or Tapioca Dextrin Syrup. Confirm the appropriate declaration for your market.

What is its shelf life and storage? 24 months from manufacture, stored ambient in a cool, dry place away from heat and light. No refrigeration required.

Is it suitable for vegan and gluten-free products? Yes — it is 100% plant-based from tapioca starch, gluten-free (tested <5 ppm per lot), non-GMO and allergen-free.

The Bottom Line

MoistPlus® is a clean-label, single-ingredient tapioca humectant syrup that does the quiet but essential work of keeping products soft, fresh and well-textured through shelf life — while also binding, supporting gluten-free structure and standing in for some of fat’s role. It is not a sweetener or a fiber; it is a focused moisture and texture tool, and a clean-label alternative to synthetic humectants and glycerine.

To find out whether MoistPlus® fits your formulation, or to request a sample and full documentation pack, contact our team.