Slowing Food 3: Post-Meal
Physical Activity
Physical activity of almost any kind after a meal shunts
blood flow away from the stomach and intestines, thereby
slowing the rate of digestion. As we will discuss
shortly, this does not need to take the form of a heavy
bout of exercise. It can be a relatively short (10 or 15
minute) bout of low-to-moderate intensity activity such
as taking or walk or doing household chores.
Slowing Food 4: Add Some
Acidity
È60-min
glucose response 55%*
Acidity in a meal can greatly slow gastric emptying. 2
tablespoons of vinegar prior to consuming a meal has
been shown to blunt the net glucose rise after the meal
by more than 50%. Including acidic foods in the meal,
such as tomatoes, dressings, condiments and sourdough
products, can produce a similar effect.
Tomatoes
Sourdough
Vinegar
(Salad Dressing/Condiments)
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Slowing Food 5: Meal
Sequencing
Consuming the non-starch parts of a meal prior to
consuming carbohydrates can slow the absorption of
glucose through the small intestine. Also, keeping carb
intake lower in the early and latter parts of the day
can be beneficial, as glucose spikes tend to me more
abrupt early and late in the day than in the middle of
the day.
Eat
veggies & protein before starch in mixed
meals (30% peak reduction)*
Make
lunch the “higher carb” meal (less at
breakfast & dinner)**
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Slowing Food 6: Medicinal
Approaches
From a medical standpoint, alpha glucosidase inhibitors
can slow and blunt the absorption of sugars through the
small intestine. This results in a more steady and
prolonged rise in glucose following meals. However, the
gastric side effects may offset this benefit for most
people.
a-Glucosidase Inhibitors
(acarbose,
miglitol)
+
Slows carb absorption
in the small
intestine
+ Gradual glycemic
rise post-meal
- Often causes GI
upset/flatulence |
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Medicinal Approaches
DPP-4
inhibitors, which increase levels of GLP-1 in
circulation, can indirectly improve pancreatic insulin
secretion (in type-2s), blunt glucagon production, and
slow gastric emptying. These combine to produce more
stable glucose levels following meals.
DPP-IV Inhibitors:
(saxagliptin, sitagliptin,
linagliptin, alogliptin)
+ facilitate
glucose-dependent insulin secretion
+ suppress
glucose-dependent glucagon secretion
+
slow gastric emptying |
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