Fiber

Fiber is a type of carbohydrate that the body can’t digest. It comes in two forms: soluble fiber (dissolves in water) and insoluble fiber (doesn’t dissolve in water). Fruits, vegetables, and whole grains are good sources of fiber. It can also be supplemented.

Quick Answer

What it is

Fiber is a type of carbohydrate that the body can’t digest. It comes in two forms: soluble fiber (dissolves in water) and insoluble fiber (doesn’t dissolve in water).

Key findings

  • Grade B: High-density lipoprotein (HDL) (Type 2 Diabetes)
  • Grade B: Blood glucose (Gestational Diabetes)
  • Grade B: Glycemic Control (Type 1 Diabetes)

Safety

No specific caution or interaction language was detected in the current summary/outcome notes.

ℹ️ Quick Facts: Fiber

Quick Facts: Fiber

  • Best Evidence:Grade B
  • Conditions Studied:6
  • Research Outcomes:24
  • Grade B Findings:4
  • Key Effect:Type 1 Diabetes
Outcomes by grade:
A0
B4
C0
D2
6 conditions · 24 outcomes

Detailed Outcomes

Grade:
Effect:
Size:
Sort:
|
B
High-density lipoprotein (HDL)
Small Improvement
34 studies
smallImproves
?
Total cholesterol
Improves
?
Triglycerides
36 studies
Improves
?
Low-density lipoprotein (LDL)
31 studies
Improves
B
Blood glucose
Small Improvement
smallImproves
?
HbA1c
Improves
B
High-density lipoprotein (HDL)
Small Improvement
9 studies
smallImproves
?
Low-density lipoprotein (LDL)
11 studies
Improves
?
Total cholesterol
Improves
?
Triglycerides
10 studies
Improves
B
Glycemic Control
Small Improvement
2 studies
smallImproves
?
HbA1c
Improves
D
C-Reactive Protein (CRP)
No effect
4 studies
none
?
Blood Urea Nitrogen
Small Detriment
small
?
p-cresyl sulfate (PCS)
11 studies
Improves
?
Serum Indoxyl Sulfate (IS)
11 studies
Improves
?
Interleukin 6
7 studies
Improves
?
TMAO
4 studies
Improves
?
TNF-Alpha
4 studies
Improves
?
Uric Acid
4 studies
Improves
D
Appetite
No effect
1 study
none
?
Bifidobacterium Abundance
1 study
Improves
?
Liver Fat
Improves
?
Visceral Fat
1 study
Improves

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