Cochrane · systematic review · CD013157

Nutritional supplementation for nonalcohol‐related fatty liver disease: a network meta‐analysis

Komolafe, O, Buzzetti, E, Linden, A, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

Hepato-BiliaryAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
48
current version
GRADE rated
46
No studies
2
Included studies
NR
No studies 2 · 4.2%Ungraded 0 · 0%Very low 44 · 91.7%Low 2 · 4.2%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Nutritional supplementation for non‐alcohol‐related fatty liver disease

Population: people with non‐alcohol‐related fatty liver disease (NAFLD)
48 questions
OutcomeEffectEvidenceStatus / GRADE
Interventions
no estimate extractedNRNo studies
No active intervention
no estimate extractedNRNo studies
Other supplements(12 trials; 650 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(15 trials; 763 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA(9 trials; 750 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(4 trials; 379 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other antioxidants(3 trials; 191 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin D(4 trials; 241 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids(2 trials; 158 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E plus other antioxidants(1 trial; 36 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other antioxidants plus other supplements(1 trial; 46 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other supplements(2 RCT; 136 participants)
OR 2.39 [0.24, 75.94]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA(3 RCT; 301 participants)
OR 1.31 [0.49, 4]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(2 RCT; 235 participants)
OR 0.79 [0.35, 1.77]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin D(1 RCT; 18 participants)
OR 1.3 [0.03, 58.38]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other antioxidants(1 RCT; 99 participants)
OR 1.67 [0.24, 14.73]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(14 trials; 649 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids(2 trials; 98 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA plus vitamin E(1 trial; 70 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin C plus vitamin E(1 trial; 88 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids plus vitamin C(1 trial; 191 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Oestrogen(1 trial; 78 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Phospholipids plus PUFA plus vitamin E(1 trial; 40 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Phospholipids plus vitamin E plus other antioxidants(1 trial; 138 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Polysaccharides(1 trial; 23 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA plus other supplements(1 trial; 38 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(1 RCT; 68 participants)
Rate ratio 1.46 [0.48, 4.98]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA(2 trials; 58 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids(1 trial; 78 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other supplements(12 trials; 864 participants)
OR 1.33 [0.78, 2.26]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(5 trials; 243 participants)
OR 0.67 [0.3, 1.46]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Polyunsaturated fatty acids(5 trials; 252 participants)
OR 4.44 [2.4, 8.48]NRLow
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(1 RCT; 97 participants)
OR 0.83 [0.36, 1.91]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids(2 RCT; 152 participants)
OR 0.61 [0.28, 1.28]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Phospholipids(No direct RCT)
OR 0.37 [0.04, 2.01]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids + vitamin C(1 RCT; 191 participants)
OR 1.76 [0.62, 5.53]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Oestrogen(1 RCT; 78 participants)
OR 1.11 [0.03, 44.88]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin D(1 trial; 60 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other supplements(6 RCTs; 291 participants)
Rate ratio 1.72 [1.25, 2.4]NRLow
Downgraded: risk of bias, imprecision, inconsistency
Polyunsaturated fatty acids(2 RCTs; 252 participants)
Rate ratio 0.9 [0.68, 1.21]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(3 RCTs; 332 participants)
Rate ratio 0.91 [0.71, 1.18]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Amino acids(1 RCT; 78 participants)
Rate ratio 0.81 [0.42, 1.54]NRVery low
Downgraded: risk of bias, imprecision, inconsistency
Other supplements(7 trials; 396 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(6 trials; 318 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
PUFA(2 trials; 95 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Vitamin E(1 trial; 167 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(6 trials; 296 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency
Prebiotics/Probiotics/Synbiotics(5 trials; 289 participants)
no estimate extractedNRVery low
Downgraded: risk of bias, imprecision, inconsistency