3 Different Sugars, and Which One should We Pick? Glucose, sucrose, fructose
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Core Definitions of Three Sugars
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Glucose: The primary simple sugar directly absorbed by the body for cellular energy and central to all carbohydrate metabolism.
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Fructose: Metabolized mainly in the liver; it doesn’t directly trigger insulin secretion but excessive intake can burden hepatic function.
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Sucrose: A disaccharide of one glucose and one fructose, requiring enzymatic cleavage before absorption.
Understanding these differences is crucial when monitoring with SIBIONICS CGM, as it yields precise insights into your glucose dynamics.
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Absorption & Metabolic Pathways
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Glucose
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Rapidly absorbed via intestinal epithelium into the bloodstream;
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CGM data show a sharp rise and fall after pure glucose intake;
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SIBIONICS CGM captures these fluctuations in real time, guiding optimal meal composition.
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Fructose
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First passes through the portal vein to the liver, converted to glycogen or further to glucose;
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Has minimal direct impact on insulin, though high chronic fructose can impair liver health;
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While its effect on glucose is indirect, SIBIONICS’s CGM still reflects hepatic metabolic strain.
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Sucrose
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Cleaved by sucrase in the small intestine into one molecule each of glucose and fructose;
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SIBIONICS CGM tracks the immediate glucose spike post-cleavage and correlates it with fructose metabolism for comprehensive management.
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Food Sources & GI Comparison
| Sugar Type | Common Sources | Typical GI | CGM Feedback Characteristics |
| Glucose | Grapes, honey, energy drinks | 100 | High peak, rapid rise, fast drop |
| Fructose | Fruit juices, sweet fruits, HFCS | 19 | Low peak, gradual rise, prolonged |
| Sucrose | Table sugar, desserts, sodas | 65 | Intermediate, single or dual peaks |
These distinctions are vividly displayed on SIBIONICS CGM, helping users identify optimal food combinations for glucose control.
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SIBIONICS CGM in Daily Nutrition Management
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Real‐time Monitoring: Continuously logs glucose spikes post‐meal;
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Trend Analysis: Balances insights on fructose and sucrose intake to refine meal planning;
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Personalized Guidance: SIBIONICS offers precise diet and activity recommendations based on your CGM data;
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Long‐term Health: Comparing CGM curves from different sugar sources helps improve liver and insulin function.
With SIBIONICS CGM, you not only visualize instantaneous glucose changes but also leverage big‐data insights to cultivate sustainable, healthy eating habits.
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