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If you’re still thinking about allulose and tagatose as sugar substitutes, you’re already behind. These two ingredients are not replacements for sugar — they are tools for reconstructing what sugar was actually doing in your system: sweetness, bulk, water control, browning, and texture evolution over time. Miss that distinction, and your product will taste like compromise. Understand it, and you start building products that don’t feel reduced-sugar at all. At a glance, these two look like cousins. In formulation, they behave like two different instruments in the same band.

Attribute	KetoseSweet™ Allulose	TagaLite™ Tagatose
Sweetness	~70% sucrose	~90% sucrose
Calories	~0.2–0.4 kcal/g	~1.5 kcal/g
Glycemic Impact	Near zero	Low
Absorption	Mostly excreted	Partially fermented in colon
GI Tolerance	High	Moderate at high dose (~30g/day)
Function Bias	Water control + stability	Structure + reactivity + browning
Added Sugars (NFP)	Exempt (FDA 2019)	Not declared per FDA clarification

Bottom line: Allulose = control and stability. Tagatose = performance and realism. The best systems use both. This is where most formulators quietly lose the plot. Sweetness is not just intensity — it’s timing.

Factor	KetoseSweet™ Allulose	TagaLite™ Tagatose
Maillard Reactivity	Participates — controlled and less aggressive	Highly reactive reducing sugar — aggressive Maillard
Color Development	Moderate; less risk of overshooting	Rapid browning even at lower temperatures
Flavor Development	Controlled; good for sensitive systems	Rich, complex flavor — use as a weapon in baked goods
Risk	Low	Over-browning / scorching if uncontrolled

Factor	KetoseSweet™ Allulose	TagaLite™ Tagatose
Humectancy	Strong humectant — lowers water activity efficiently	Contributes to water binding; less dominant
Softness Over Time	Extends softness and chew retention on shelf	Needs support from fibers or polyols
Best Use	Bars, soft-baked, products that dry out or harden	Partner with allulose or glycerin for water control

If your product goes hard on shelf, loses chew, or dries out — you don’t need more sweetness. You need better water control. That’s allulose.

Factor	KetoseSweet™ Allulose	TagaLite™ Tagatose
Freeze Depression	Decisive — backbone of any frozen system	Contributes, but secondary
Ice Crystal Control	Smaller ice crystals; improved texture	Moderate benefit
Scoopability	Better scoopability and creaminess	Adds solids and sweetness to support allulose
System Role	Primary	Support

Factor	KetoseSweet™ Allulose	TagaLite™ Tagatose
Solids Contribution	Lower structural impact; more about softness	Higher solids; sugar-like structure and body
Crumb / Bar Integrity	Weak — allulose alone won’t save a collapsing system	Supports crumb formation, confectionery body, bar integrity
Crystallization	More soluble; less crystallization tendency	Crystallizes readily — useful in confections and glass formation

Factor	KetoseSweet™ Allulose	TagaLite™ Tagatose
Fermentation	Minimal — mostly excreted via urine	~80% reaches the colon; fermented by beneficial bacteria
Prebiotic Effect	Minimal	Significant — produces butyrate and short-chain fatty acids
GI Tolerance	High; generally well tolerated up to ~50g/serving	Moderate; well tolerated to ~30g/serving; stagger at higher inclusion
Profile	Safe, predictable	Functional, but dose-dependent

Ingredient	Use Rate	Delivers	Watch
TagaLite™ Tagatose	8–15%	✔ Browning  ✔ Structure  ✔ Flavor	⚠ Over-browning; reduce temps 10–15°C
KetoseSweet™ Allulose	2–5%	✔ Moisture retention  ✔ Softness	⚠ Moisture migration

Ingredient	Use Rate	Delivers	Notes
KetoseSweet™ Allulose	6–10%	✔ Scoopability  ✔ Creaminess  ✔ Freeze/thaw stability	Backbone of the system
TagaLite™ Tagatose	2–4%	✔ Solids  ✔ Sweetness	Support role

Ingredient	Use Rate	Delivers	Watch
KetoseSweet™ Allulose	3–6%	✔ Water activity control  ✔ Softness	⚠ Hardening curves
TagaLite™ Tagatose	5–10%	✔ Bulk  ✔ Sweetness  ✔ Structure	⚠ Moisture migration
Fiber (inulin / STF)	10–25%	✔ Water activity  ✔ Texture over shelf life	—

System Goal	Lead Ingredient	Total Rare Sugar Rate	Delivers
Clean sweetness base, minimal aftertaste	KetoseSweet™ Allulose	2–5% combined	✔ Smooth sweetness  ✔ Low aftertaste
Sugar-like body and faster onset	TagaLite™ Tagatose	2–5% combined	✔ Faster onset  ✔ More body

Ingredient	Delivers	Watch
TagaLite™ Tagatose	✔ Glass formation  ✔ Structure  ✔ Flavor development	⚠ Hygroscopicity   ⚠ Crystallization control

The winning systems don’t debate ingredients. They assign jobs. Here’s an example precision stack: That’s not redundancy. That’s precision formulation. Allulose and tagatose are not competitors — they are co-conspirators in rebuilding sugar properly.