Absorption Flashcards
(13 cards)
Where does most nutrient absorption occur?
Mostly in the duodenum and jejunum, but chemical bonds are broken in the stomach.
Which minerals are primarily absorbed in the duodenum?
Calcium, selenium, magnesium, chromium, iron, manganese, zinc.
Which vitamins and nutrients are absorbed in the jejunum?
B vitamins, biotin, vitamin C, choline, inositol, calcium, magnesium.
Where is vitamin B12 absorbed?
In the ileum.
When should most water-soluble vitamins be taken?
With food.
Why are most B vitamins contraindicated in the evening?
They may cause or worsen insomnia (except B6).
When should fat-soluble vitamins (A, D, E, K) and CoQ10 be taken?
With food containing fat.
How should essential fatty acids be taken?
With food, avoiding high amounts of opposing fats (e.g., omega-3 not with high omega-6).
When is the best time to take amino acids?
With carbohydrate or on an empty stomach.
What are the benefits of protein shakes in supplementation?
Quick digestion (~30 mins), useful post-surgery or after exercise for muscle rebuild.
How do minerals best get absorbed?
Taken with food, requiring adequate stomach acid.
When should calcium and magnesium be taken?
In the evening to aid restful sleep.
How and when should zinc be taken?
On an empty stomach before bed; may cause stomach discomfort for some.
