{"title":"Betaine","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"BreadcrumbList\",\n  \"itemListElement\": [\n    { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/plenthera.com\/\" },\n    { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"Categories\", \"item\": \"https:\/\/plenthera.com\/collections\/\" },\n    { \"@type\": \"ListItem\", \"position\": 3, \"name\": \"Betaine\", \"item\": \"https:\/\/plenthera.com\/collections\/betaine\/\" }\n  ]\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"CollectionPage\",\n  \"name\": \"Betaine at Plenthera\",\n  \"description\": \"Betaine HCl with pepsin and gentian bitters (Doctor's Best) and TMG betaine (Now Foods). Hydrochloric acid supplementation for the stomach acid theme and a methyl donor for homocysteine metabolism.\",\n  \"url\": \"https:\/\/plenthera.com\/collections\/betaine\/\",\n  \"inLanguage\": \"en\",\n  \"isPartOf\": { \"@type\": \"WebSite\", \"name\": \"Plenthera\", \"url\": \"https:\/\/plenthera.com\/\" },\n  \"about\": { \"@type\": \"Thing\", \"name\": \"Betaine HCl\", \"description\": \"Betaine HCl (betaine hydrochloride) is a hydrochloric acid supplement that temporarily lowers the pH in the stomach. Stomach acid is needed to break down protein (it activates pepsin) and to absorb minerals.\" }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\":\"Question\",\"name\":\"What is betaine HCl?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Betaine HCl (betaine hydrochloride) is a hydrochloric acid supplement that temporarily lowers the pH in the stomach. Not an enzyme, but relevant to stomach acid-dependent digestion: protein breakdown, mineral absorption and the natural barrier against foodborne pathogens.\"}},\n    {\"@type\":\"Question\",\"name\":\"When should you take betaine HCl?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"With protein-rich meals (meat, fish, pulses). Start with one capsule and build up gradually until you feel slight warmth in the stomach; then go back one step.\"}},\n    {\"@type\":\"Question\",\"name\":\"What is the difference between betaine HCl and TMG?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Betaine HCl is a hydrochloric acid supplement for the stomach acid theme. TMG (trimethylglycine) is the same betaine molecule without hydrochloric acid and acts as a methyl donor: betaine contributes to normal homocysteine metabolism at 1.5 g per day.\"}}\n  ]\n}\n\u003c\/script\u003e\n\n\n\u003carticle\u003e\n\u003cp\u003e\u003cem\u003eWritten by the Plenthera team (orthomolecularly trained). Scientifically reviewed in April 2026. Last updated: 18 September 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eBetaine HCl is not an enzyme but a hydrochloric acid supplement — for those who produce too little stomach acid. With age (the body's own stomach acid production declines) or after long-term use of acid inhibitors, protein digestion, for which stomach acid is essential, can falter. At Plenthera you will find betaine HCl combined with pepsin (the stomach acid-dependent protein enzyme) and gentian bitters, as well as TMG betaine — the same molecule without hydrochloric acid, with its own application. WARNING: do NOT use betaine HCl in case of a stomach ulcer, gastritis or reflux complaints.\u003c\/p\u003e\n\u003cnav aria-label=\"Contents\"\u003e\u003ch2\u003eContents\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"#vergelijking\"\u003eWhich betaine suits you?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#wat-is-betaine\"\u003eWhat is betaine?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#wetenschap\"\u003eWhat does the science say about betaine?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#vormen\"\u003eThe betaine forms at Plenthera\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#hoe-gebruik\"\u003eHow do you use betaine?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#mythes\"\u003eMyths and misconceptions about betaine\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#combineren\"\u003eCombining betaine with other supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently asked questions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#bronnen\"\u003eSources\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/nav\u003e\n\u003csection\u003e\u003ch2 id=\"vergelijking\"\u003eWhich betaine suits you?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBetaine HCl + pepsin + gentian bitters\u003c\/td\u003e\n\u003ctd\u003eStomach acid theme with protein-rich meals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTMG betaine 1000 mg\u003c\/td\u003e\n\u003ctd\u003eMethyl donor — homocysteine metabolism (different application)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStand-alone betaine HCl (elsewhere on the market)\u003c\/td\u003e\n\u003ctd\u003eThose who want to dose without pepsin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"wat-is-betaine\"\u003eWhat is betaine?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl (betaine hydrochloride) is a hydrochloric acid supplement that temporarily lowers the pH in the stomach. Not an enzyme, but relevant to stomach acid-dependent digestion. Often combined with pepsin.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe level of stomach acid is an underestimated aspect of digestion. Sufficient stomach acid is needed for protein breakdown (it activates pepsin), for the absorption of minerals (calcium, iron, magnesium) and vitamin B12, and as a natural barrier against foodborne pathogens. The body's own stomach acid production declines with age — from around the age of 60, a considerable part of the population produces less stomach acid (hypochlorhydria).\u003c\/p\u003e\n\u003cp\u003eBetaine HCl supplementation is a direct hydrochloric acid supplement. Taken with a meal (especially a protein-rich one), it temporarily lowers the pH in the stomach — comparable to natural stomach acid. The usual protocol is to start with one capsule and build up until slight warmth in the stomach is felt; then go back one step.\u003c\/p\u003e\n\u003cp\u003eCRUCIAL CAUTION: betaine HCl is CONTRAINDICATED in case of a stomach ulcer, gastritis, GERD\/reflux complaints and when using NSAIDs or corticosteroids. If in doubt: consult a doctor or pharmacist beforehand.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"wetenschap\"\u003eWhat does the science say about betaine?\u003c\/h2\u003e\n\u003cp\u003eClinical research into betaine HCl is limited. A small study (Yago et al., 2013) showed that in subjects with pharmacologically raised stomach pH, betaine HCl temporarily lowers the pH again — so the mechanism can be demonstrated, but there are no large clinical trials in hypochlorhydria. In orthomolecular practice it is used functionally under supervision.\u003c\/p\u003e\n\u003cp\u003eFor TMG betaine, the situation is different: the EU has authorised one health claim — \u003cem\u003e'Betaine contributes to normal homocysteine metabolism.'\u003c\/em\u003e This claim applies at a daily intake of 1.5 g of betaine; an intake of more than 4 g per day may significantly increase blood cholesterol levels.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"vormen\"\u003eThe betaine forms at Plenthera\u003c\/h2\u003e\n\u003ch3\u003eBetaine HCl + pepsin + gentian bitters — Doctor's Best (120 and 360 capsules)\u003c\/h3\u003e\n\u003cp\u003eBetaine hydrochloride combined with pepsin (which needs stomach acid to become active) and gentian root, a classic bitter. One capsule per protein-rich meal as a starting point, to be built up according to the label.\u003c\/p\u003e\n\u003ch3\u003eTMG betaine 1000 mg — Now Foods (100 tablets)\u003c\/h3\u003e\n\u003cp\u003eTrimethylglycine without hydrochloric acid. A methyl donor with an authorised EU claim for homocysteine metabolism at 1.5 g per day. Not intended for the stomach acid theme.\u003c\/p\u003e\n\u003ch3\u003eOther forms on the market\u003c\/h3\u003e\n\u003cp\u003eStand-alone betaine HCl capsules (usually 600-650 mg) without pepsin. Not currently in our range.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"hoe-gebruik\"\u003eHow do you use betaine?\u003c\/h2\u003e\n\u003cp\u003eA simple basic approach to betaine HCl:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eStart with 1 capsule with a protein-rich meal.\u003c\/li\u003e\n\u003cli\u003eBuild up gradually until you feel slight warmth in the stomach.\u003c\/li\u003e\n\u003cli\u003eThen go back to just below the warmth threshold — that is your dose.\u003c\/li\u003e\n\u003cli\u003eIn case of a stomach ulcer, gastritis or reflux: do NOT use — it may make things worse.\u003c\/li\u003e\n\u003cli\u003eWith NSAIDs or corticosteroids: consult a doctor beforehand.\u003c\/li\u003e\n\u003cli\u003eParticularly relevant with protein-rich meals (meat, fish, pulses).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eTMG betaine: 1-2 tablets per day with a meal, according to the label; stay below 4 g per day.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"mythes\"\u003eMyths and misconceptions about betaine\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 1: 'Everyone with digestive complaints has low stomach acid.'\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIncorrect. High stomach acid (reflux) and low stomach acid can cause similar symptoms. If in doubt: get a medical diagnosis.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 2: 'Betaine HCl treats reflux.'\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIncorrect and risky — it may actually make reflux worse. Treating reflux requires a different approach.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 3: 'A high dose works faster.'\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIncorrect, and it may cause irritation. Build up gradually.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"combineren\"\u003eCombining betaine with other supplements\u003c\/h2\u003e\n\u003cp\u003eBetaine HCl is often combined. Popular combinations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePepsin: the stomach acid-dependent protein enzyme. A classic combination — already included in our Doctor's Best formula.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-mt\/collections\/spijsverteringsenzymen\"\u003eDigestive enzymes\u003c\/a\u003e: for broad coverage of proteins, fats and carbohydrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-mt\/collections\/levende-culturen\"\u003eLive cultures\u003c\/a\u003e: for the gut theme.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-mt\/collections\/bone-broth\"\u003eBone broth\u003c\/a\u003e: wholefood for the stomach and gut.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-mt\/collections\/vitamine-b\"\u003eB vitamins\u003c\/a\u003e (with TMG): vitamin B6, B12 and folate contribute to normal homocysteine metabolism.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is betaine HCl?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA hydrochloric acid supplement for the stomach acid theme. Not an enzyme.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I have low stomach acid?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePossible signs: a bloated feeling after protein, tiredness, mineral deficiencies. A medical test (Heidelberg test) confirms it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much betaine HCl per day?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStart with 1 capsule per protein-rich meal, building up until slight warmth is felt.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should you take betaine HCl?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith a protein-rich meal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl in older age?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePossibly relevant — the body's own stomach acid production declines with age.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDifference between betaine HCl and TMG?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBetaine HCl: stomach acid theme. TMG: methyl donor; betaine contributes to normal homocysteine metabolism (1.5 g\/day).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl with a stomach ulcer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDo NOT use — it may make things worse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes betaine have side effects?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStomach complaints in case of overdosing or incorrect use. TMG above 4 g\/day may raise cholesterol.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine + pepsin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA classic combination — pepsin requires stomach acid to be active.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExperiences with betaine HCl?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVariable — those who genuinely have little stomach acid notice something most often, others do not.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch2 id=\"bronnen\"\u003eSources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRegulation (EU) 432\/2012 — authorised claim 'Betaine contributes to normal homocysteine metabolism' (conditions: 1.5 g\/day; warning above 4 g\/day).\u003c\/li\u003e\n\u003cli\u003eYago M.R. et al., \"Gastric reacidification with betaine HCl in healthy volunteers with rabeprazole-induced hypochlorhydria\", Mol Pharm (2013).\u003c\/li\u003e\n\u003cli\u003eRoxas M., \"The role of enzyme supplementation in digestive disorders\", Altern Med Rev (2008).\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e This text is for information purposes only and does not replace medical advice. Betaine is a food supplement, not a medicine. If in doubt or if you take medication, we recommend consulting a doctor or orthomolecular therapist first.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/article\u003e","products":[{"product_id":"doctors-best-betaine-hcl-pepsin-gentian-bitters-120-caps","title":"Betaine HCl Pepsin \u0026 Gentian Bitters – 120 capsules","description":"\u003cp\u003eDoctor’s Best Betaine HCl Pepsin \u0026amp; Gentian combines betaine hydrochloride, pepsin and gentian root powder (Gentiana lutea) in one capsule — a traditional combination for protein-rich meals. Pepsin is a protein-splitting enzyme that occurs naturally in the stomach; gentian is a European bitter plant that has been used in cooking for centuries. Jar of 120 capsules, enough for about four months at one capsule a day.\u003c\/p\u003e","brand":"Doctor's Best","offers":[{"title":"Default Title","offer_id":56769415938393,"sku":"10229","price":19.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/files\/doctor-s-best-betaine-hcl-pepsin-gentian-120-caps-1.jpg?v=1773931827"},{"product_id":"doctors-best-betaine-hcl-pepsin-gentian-bitters-360-caps","title":"Betaine HCl Pepsin \u0026 Gentian Bitters – 360 capsules","description":"\u003cp\u003eBetaine HCl Pepsin \u0026amp; Gentian Bitters is the Doctor’s Best value pack with 650 mg betaine hydrochloride, 250,000 FCC pepsin units and 20 mg gentian root powder (Gentiana lutea) per capsule. The 360-capsule jar provides approx. 12 months' supply at 1 capsule per day.\u003c\/p\u003e","brand":"Doctor's Best","offers":[{"title":"Default Title","offer_id":56769567392089,"sku":"10231","price":49.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/files\/doctor-s-best-betaine-hcl-pepsin-gentian-360-3_e8fd3a40-9454-4250-a2bc-087a8d5a9451.jpg?v=1773931770"},{"product_id":"now-foods-tmg-betaine-1000mg-100-tabs","title":"TMG Betaine 1000 mg – 100 tablets","description":"\u003cp\u003eNow Foods TMG 1000 mg delivers trimethylglycine (betaine anhydrous) per tablet — a compound naturally found in sugar beets, quinoa, and spinach. TMG is a methyl group donor in homocysteine metabolism, a biochemical role extensively described in scientific literature. Vegetarian coating, no synthetic additives. 100 tablets per jar, sufficient for 50 to 100 days.\u003c\/p\u003e","brand":"Now Foods","offers":[{"title":"Default Title","offer_id":56769646559577,"sku":"NOW4949","price":19.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/files\/now-foods-tmg-trimethylglycine-1000mg-100-tablets-1.jpg?v=1774450357"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/collections\/40.jpg?v=1776087863","url":"https:\/\/www.plenthera.com\/en-mt\/collections\/betaine.oembed","provider":"Plenthera","version":"1.0","type":"link"}