Is beetroot extract a reliable adjunct for reducing cholesterol?

Beetroot Extract is NOT Reliable for Reducing Cholesterol

Beetroot extract cannot be recommended as a reliable intervention for cholesterol reduction. The highest quality evidence—a 2022 systematic review and meta-analysis—definitively shows no significant effect of beetroot consumption on any lipid parameter 1.

Evidence Analysis

The Definitive Study

The 2022 meta-analysis by Bahadoran et al. examined all available randomized controlled trials and found 1:

• No significant effect on total cholesterol: Mean difference 1.25 mg/dL (95% CI: -0.03,2.53)
• No significant effect on triglycerides: Mean difference -0.47 mg/dL (95% CI: -1.16,0.21)
• No significant effect on HDL: Mean difference 0.54 mg/dL (95% CI: -0.13,1.21)
• No significant effect on LDL: Mean difference -0.48 mg/dL (95% CI: -1.04,0.09)

Importantly, subgroup analyses by health condition, form of beetroot (juice vs. powder), and intervention type showed no significant differences in any scenario. The authors explicitly concluded that "beetroot cannot be categorized as an effective supplementation for adjustment of lipid profile" 1.

Guideline-Recommended Alternatives

Major cardiovascular guidelines do not mention beetroot for cholesterol management. Instead, the 2017 ACC Expert Consensus 2 and 2013 ACC/AHA guidelines 3, 4 recommend evidence-based interventions with proven cardiovascular outcomes:

For modest LDL-C reduction (5-15%):

• Plant stanols/sterols: 2-3 g/day reduces LDL-C by 5-15% 2
• Soluble/viscous fiber: 3.0-12.4 g/day reduces LDL-C by ~11.6 mg/dL 2

Critical distinction: While these dietary adjuncts have FDA-approved health claims and documented LDL-lowering effects, none have demonstrated cardiovascular outcomes benefits in randomized trials 2. They are considered reasonable adjuncts to statin therapy, not standalone treatments.

Contradictory Lower-Quality Evidence

Some individual studies suggest benefits, but these are outweighed by the meta-analysis:

• A 2016 crossover study (n=24) showed reductions in non-HDL, LDL, and total cholesterol with raw beetroot juice 5
• A 2021 rabbit study showed dose-dependent lipid reductions 6
• A 2023 NAFLD trial showed improvements in liver enzymes and lipids 7

However, these studies have critical limitations: small sample sizes, short durations, specific disease populations (hypertension, NAFLD), or animal models. The 2022 meta-analysis 1 synthesized all available human RCT data and found no pooled effect—this represents the highest level of evidence.

Clinical Bottom Line

Do not recommend beetroot extract for cholesterol reduction. When patients require lipid management:

1. First-line: Statin therapy (proven mortality benefit) 4

2. Adjunctive dietary measures (if patient insists on "natural" approaches):

   • Plant stanols/sterols: 2 g/day with meals
   • Soluble fiber: >10 g/day from oats, barley, psyllium
   • Both have modest LDL-lowering (no CV outcomes data) 3, 2

3. Avoid: Beetroot extract as a cholesterol-lowering agent—no reliable evidence of efficacy 1

Important Caveat

While beetroot may have other cardiovascular benefits (blood pressure reduction via nitrates 5, 8), this is mechanistically distinct from cholesterol lowering and should not be conflated. For cholesterol management specifically, the evidence is clear: beetroot is ineffective.