Skip to main content
. 2021 Feb 25;8:634845. doi: 10.3389/fnut.2021.634845

Table 1.

Effect of low carbohydrate diets on metabolic and inflammatory markers that may influence cancer risk.

No of subjects CHO intake CHO: protein:
fat (kcal)
ratio
Saturated:
monounsaturated:
Polyunsaturated
fats ratio
Type of fatty acids Duration Compared to Reduced calorie intake Peak BHB (mM) Weight Blood glucose Insulin CRP IL6 TNF-α Other inflammatory markers References
33 Obese with MetS <20–40 g/d 4:35:61 40:46:14 12 mo Baseline Yes ~0.5 (18)
52 Overweight/
obese
4:35:61 8 wk Baseline (52)
10 Obese with NAFLD 23–30/d 4:24:72 2 wk Baseline Isocaloric ~2 = (53)
51 Diabetic 20–25g/d 5:20:75 6 mo Low fat diet = = = Soluble E-selectin (↓), ICAM1 (↓) (54)
35 Obese 5:20:75 33:22:7 12 wk Baseline Initial
2 weeks
~2 = = (55)
17 Healthy men 5:15:80 4 wk Habitual diet Yes 0.77 0 = (56)
19 Overweight 5:31:64 39:33:16 7 d Baseline = = MCP1 (↓) (57)
9 Healthy <50 g/d 7.5:27:65 4 wk Habitual diet 0.7 0 = (58)
15 Overweight men 8:28:63 44:36:20 6 wk Baseline Yes ICAM1 (↓) (59)
15 Obese <40 g/d 10:34:56 41:42:17 12 wk Baseline Yes = (60)
10 Healthy women 10:30:60 42:36:21 4 wk Baseline = = = (14)
16 Diabetics 10:25:65 23:60:17 4 d Baseline = = = MCP1 (=),
pJNK (↓), IL10(=), IL18 (=)
(61)
21 Statin takers <50 g/d 11:28:58 51:35:14 6 wk Baseline Yes ~0.5 = = = = IL8 (=), soluble E-selectin (↓), ICAM-1 (↓) (62)
34 Overweight male 11:43:46 EPA/DHA 4 wk No omega 3, ketogenic diet = = IL1β (↓) (63)
Baseline Yes IL1β (↓)
20 Overweight 12:29:59 48:35:16 Described 12 wk Low fat diet Yes = VEGF (↓), P-selectin (↓), IL8 (↓), MCP1 (↓), E-Selectin (↓), PAI (↓), ICAM-1 (↓) (64)
8 Men 12:30:58 30:44:26 Described 6 wk Baseline No 0.26 = = = = = = IL8 (=), MCP1 (=) (65)
29 Overweight women 12:30:58 4 wk Baseline Yes = = (66)
29 Overweight/obese men 13:27:60 37:45:18 12 wk Baseline Yes = (67)
12 With metabolic syndrome <50 g/d 16:22:62 45:40:15 4 wk Baseline Yes 0.53 ICAM1 (↓) (68)
14 Obese <50 g/d 19:70:11 42:23:35 250–500 mg DHA 6 mo Baseline Yes = (69)
28 Obese <50 g/d 20:60:20 12 mo Baseline Yes = = (70)
11 Obese with T2D 20:35:45 24 wk Control (71)
10 Obese 20:25:55 8 wk Baseline = (21)
15 Firefighters 23:29:48 4 wk Baseline Yes = = = (72)
30 Type 2 diabetics 25:26:49 43:40:17 6 mo Baseline Yes = = IL1Ra (↓) (73)
43 Severely obese <30 g/d 32:25:43 6 mo Baseline Yes = (74)
75 Obese <40 g/d 34:24:41 37:41:23 12 mo Low fat Yes = = IL8 (=), ICAM1(↓) (75)
262 Diabetics 12 mo Baseline 0.31 WBC (↓) (22)
11 Multiple sclerosis subjects <50 g/d CHO, >160 g fat 6 mo Control 1.4 = = ALOX5 mRNA (↓) (76)
22 Healthy, obese women <20-60 g/d 3 mo Baseline Yes (77)
6 Overweight divers <40 g/d 7 d Baseline Yes 0.9 Hyperoxic-induced IL6 (↓), IL1β (↓) (78)

The up arrow indicates “increased” and the down arrow indicates “decreased,” while = indicates “no change”.