ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Back

From 5 Mg Betaine Hydrochloride

Also known as: trimethylglycine, betaine anhydrous, betaine hydrochloride, Betaine

Overview

Betaine, or trimethylglycine (TMG), is a naturally occurring compound classified as an amino acid derivative found predominantly in foods such as beets, spinach, and shellfish. It serves as a methyl donor in various metabolic processes, notably in the conversion of homocysteine to methionine, thereby impacting cardiovascular health. Betaine is widely used as a dietary supplement aimed at lowering elevated plasma homocysteine levels and, to a lesser extent, in sports nutrition to enhance performance. Its metabolic roles have been extensively studied, resulting in moderate levels of evidence regarding its benefits on blood lipids and general health. Its natural synthesis in the body takes place via choline metabolism, placing it at a crucial junction in several physiological pathways.

Benefits

Betting supplementation, typically at a dosage of at least 4 g/day for a minimum of six weeks, is associated with a moderate increase in plasma total cholesterol levels (0.34 mmol/L). Additionally, it has been shown to lower elevated homocysteine levels, beneficial for cardiovascular health risks. Despite some studies indicating benefits on blood lipids, there are no significant effects on LDL, HDL, or triglycerides. In animal studies, betaine had positive impacts on milk yield and feed intake in cattle. The varying effects suggest that certain populations, particularly those at risk for cardiovascular diseases, might benefit significantly from betaine, although the exact population-specific effects remain unclear.

How it works

Betaine functions primarily as a methyl donor in the methionine cycle, converting homocysteine to methionine, crucial for cardiovascular health. It also regulates osmotic pressure in cells and can influence gene expression related to metabolism. Furthermore, betaine impacts lipid metabolism by modifying blood lipid profiles and has been observed to enhance stomach acid production in certain contexts. Its interactions within the gastrointestinal and cardiovascular systems highlight its multifaceted biological roles.

Side effects

The safety profile of betaine is generally good, but it does present some concerns. Common side effects (>5%) include heartburn, especially with betaine hydrochloride used for enhancing stomach acid. There may also be possible gastrointestinal discomfort, categorized as uncommon side effects (1-5%). Although rare side effects (<1%) have not been documented in literature, caution is advised. Betaine hydrochloride may interact with antacids, H2-blockers, and proton pump inhibitors, reducing their effectiveness. Individuals with peptic ulcer disease should avoid betaine hydrochloride due to its potential irritation of the stomach lining. Pregnant or breastfeeding women are advised to avoid betaine supplementation due to insufficient safety data.

Dosage

The minimum effective dose for achieving beneficial outcomes, particularly in lowering homocysteine and affecting blood lipid levels, is typically around 4 g/day. Some studies suggest that the optimal dosage could range from 4-6 g/day. While there is no established maximum safe dose, higher doses beyond 6 g/day are rarely studied. Betaine is well-absorbed when taken orally, although specific absorption rates are not extensively reported. Recommendations suggest betaine anhydrous over betaine hydrochloride due to the latter's inconclusiveness regarding safety and efficacy.

FAQs

Is betaine safe to use?

Betaine anhydrous is generally considered safe for most individuals, while betaine hydrochloride should be used cautiously due to limited safety data.

When should I take betaine?

There are no specific timing recommendations for betaine supplementation; it can be taken at any time.

What results can I expect from betaine supplementation?

You may experience a moderate increase in total cholesterol levels and potential reductions in homocysteine levels with appropriate dosing.

Are betaine anhydrous and betaine hydrochloride the same?

No, they are different forms with distinct uses and safety profiles; betaine anhydrous is generally preferred.

Research Sources

  • https://pubmed.ncbi.nlm.nih.gov/31809615/ – A systematic review and meta-analysis that found betaine supplementation at 4 g/day significantly raised plasma total cholesterol levels by 0.34 mmol/L. The quality of the evidence was considered moderate.
  • https://www.mdpi.com/2076-2615/14/12/1756 – This meta-analysis indicates that dietary betaine positively affected milk yield and dry matter intake in dairy cattle, demonstrating high-quality results through a thorough review of multiple studies.
  • https://www.webmd.com/vitamins/ai/ingredientmono-312/betaine-hydrochloride – This review highlights that betaine hydrochloride lacks sufficient evidence for its safety and efficacy, raising concerns especially in relation to its use for increasing stomach acid.

Recommended Articles

Optimal Berberine Dosing Guide

Optimal Berberine Dosing Guide

Optimal berberine intake involves 500-1500 mg/day, split 2-3 times, ideally 30-60 minutes before meals, tailored to individual needs.

Berberine Timing & Diabetes: 2025 Guidelines

Berberine Timing & Diabetes: 2025 Guidelines

In 2025, diabetics should take berberine close to meal times and carefully manage its interaction with glucose medications for optimal blood sugar control.

Top Creatine Monohydrate Brands for Athletes 2025

Top Creatine Monohydrate Brands for Athletes 2025

In 2025, the best creatine monohydrate brands for athletes are those with high purity, third-party testing, and positive consumer feedback.