{"title":"Betaine","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\u003c!--en--\u003e\u003c!--en--\u003e\n\u003carticle\u003e\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003eWritten by the Plenthera team (orthomolecularly trained). Scientifically reviewed in April 2026. Last updated: April 30, 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eBetaine HCl is not an enzyme but a hydrochloric acid supplement – for those who produce too little stomach acid. With age (own stomach acid production decreases) or after prolonged use of antacids, protein digestion can falter, for which stomach acid is essential. At Plenthera, you'll find \u003ca href=\"\/en\/collections\/betaine\"\u003ebetaine HCl\u003c\/a\u003e as a standalone capsule or combined with pepsin – the stomach acid-dependent protein enzyme. WARNING: DO NOT use with stomach ulcers, gastritis, or reflux symptoms.\u003c\/p\u003e\n\u003c!--en--\u003e\u003cnav aria-label=\"Table of Contents\"\u003e\n\u003ch2\u003eTable of Contents\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003col\u003e\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#vergelijking\"\u003eWhich betaine is right for you?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#wat-is-betaine\"\u003eWhat is betaine?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#wetenschap\"\u003eScience and EFSA status\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#vormen\"\u003eThe betaine forms at Plenthera\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#hoe-gebruik\"\u003eHow to use betaine?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#mythes\"\u003eMyths and misconceptions about betaine\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#combineren\"\u003eCombining betaine with other supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently asked questions\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#bronnen\"\u003eSources\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ol\u003e\n\u003c\/nav\u003e\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"vergelijking\"\u003eWhich betaine is right for you?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003ctable\u003e\u003c!--en--\u003e\n\u003cthead\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003c!--en--\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c!--en--\u003e\n\u003ctbody\u003e\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eBetaine HCl 600 mg\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eStomach acid support\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003e+ pepsin\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eMore complete protein digestion\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eTMG (separate)\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eMethylation – different application\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\u003c\/tbody\u003e\n\u003c!--en--\u003e\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"wat-is-betaine\"\u003eWhat is betaine?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl (betaine hydrochloride) is a hydrochloric acid supplement that supports stomach acid levels. Not an enzyme, but relevant for stomach acid-dependent digestion. Often combined with pepsin.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eStomach acid level is an underestimated aspect of digestion. Sufficient stomach acid is essential for: protein breakdown (activates pepsin), mineral absorption (calcium, iron, magnesium, B12), and protection against food pathogens. Our own stomach acid production decreases with age — from about 60 years old, a significant portion of the population produces suboptimal stomach acid (hypochlorhydria).\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eBetaine HCl supplementation is a direct stomach acid supplement. Taken with a meal (especially protein-rich), it temporarily lowers the pH in the stomach — similar to natural stomach acid. The starting dosage is usually 600 mg, to be built up until a slight warmth is felt in the stomach — that is a sign that you are taking enough.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCRUCIAL CAUTION: betaine HCl is CONTRAINDICATED in case of stomach ulcers, gastritis, GERD\/reflux symptoms, or when using NSAIDs or corticosteroids. If in doubt: consult a medical professional beforehand, in accordance with the advice of the \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.nvwa.nl\/onderwerpen\/voedingssupplementen\/risico-s-voedingssupplementen\" target=\"_blank\"\u003eNVWA\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"wetenschap\"\u003eScience and EFSA status\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eClinical research on betaine HCl is limited. In hypochlorhydria research, it is functionally used under the guidance of orthomolecular therapists. \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/health-claims\" target=\"_blank\"\u003eEFSA\u003c\/a\u003e has not recognized any claims.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"vormen\"\u003eThe betaine forms at Plenthera\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eBetaine HCl 600 mg\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003eStandard dosage. Starting point for those who want to build up.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eBetaine HCl + pepsin\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003ePremium combination — pepsin requires stomach acid to be active.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eTMG (trimethylglycine, different category)\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003eMethyl donor, different application. Not for stomach acid purposes.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"hoe-gebruik\"\u003eHow to use betaine?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eSimple basic approach for betaine HCl:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003col\u003e\u003c!--en--\u003e\n\u003cli\u003eStart with 1 capsule (600 mg) with a protein-rich meal.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eGradually increase until you feel a slight warmth in your stomach — that is the optimum.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eDecrease again to just below the warmth threshold.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eFor stomach ulcers\/gastritis\/reflux: DO NOT use — can worsen symptoms.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eFor NSAIDs or corticosteroids: consult a doctor beforehand.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eEspecially relevant for protein-rich meals (meat, fish, legumes).\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"mythes\"\u003eMyths and misconceptions about betaine\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 1: \"Everyone with digestive issues has low stomach acid.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eIncorrect. High stomach acid (reflux) and low stomach acid can cause similar symptoms. If in doubt: medical diagnosis.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 2: \"Betaine HCl treats reflux.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eIncorrect and risky — can actually worsen reflux. Reflux treatment requires a different approach.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 3: \"High dosage works faster.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eIncorrect and can cause irritation. Build up gradually.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"combineren\"\u003eCombining betaine with other supplements\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eBetaine HCl is often combined. Popular combinations:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cul\u003e\u003c!--en--\u003e\n\u003cli\u003ePepsin: stomach acid-dependent protein enzyme. Classic combo.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eDigestive enzymes: for broad coverage.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/ondersteuning\"\u003eProbiotics\u003c\/a\u003e: for gut flora.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/bone-broth\"\u003eBone broth\u003c\/a\u003e: gastrointestinal whole food.\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is betaine HCl?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eHydrochloric acid supplement for stomach acid support. Not an enzyme.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eDo I have low stomach acid?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eSymptoms: bloating after protein, fatigue, mineral deficiencies. Medical test (Heidelberg or bicarb test) confirms.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eHow much betaine HCl per day?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eStart with 600 mg, build up to slight warmth.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to take betaine HCl?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eWith a protein-rich meal.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl for elderly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003ePotentially relevant — own stomach acid decreases.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eDifference between betaine HCl and TMG?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eBetaine HCl: stomach acid. TMG: methyl donor, different application.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl for stomach ulcer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eDO NOT use — can worsen symptoms.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eDoes betaine have side effects?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eStomach complaints with overdose or incorrect use.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine + pepsin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eClassic combo — pepsin requires stomach acid.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eBetaine HCl experiences?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eVariable — can help for those with low stomach acid, not for others.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"bronnen\"\u003eSources\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cul\u003e\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/health-claims\" target=\"_blank\"\u003eEFSA Regulation (EU) 432\/2012\u003c\/a\u003e — no overarching enzyme claims; individual claims limited.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eRoxas M., \"The role of enzyme supplementation in digestive disorders\", Altern Med Rev (2008).\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e This text is intended for informational purposes only and does not replace medical advice. Betaine is a dietary supplement, not a medicine. In case of doubt or if you are taking medication, we recommend consulting a doctor or orthomolecular therapist first.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\u003c\/article\u003e","products":[{"product_id":"doctors-best-betaine-hcl-pepsin-gentian-bitters-360-caps","title":"Betaine HCl Pepsin \u0026 Gentian Bitters - 360 capsules","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eDoctor's Best Betaine HCl Pepsin \u0026amp; Gentian is the economy pack of the same traditional combination of betaine hydrochloride, pepsin and gentian root powder (Gentiana lutea). Pepsin is a protein-digesting enzyme; gentian is a European bitter plant. For those who are already accustomed to this formula and want to switch to the larger economy pack. Jar of 360 capsules, enough for approximately twelve months at one capsule per day.\u003c\/span\u003e\u003c\/p\u003e","brand":"Doctor's Best","offers":[{"title":"Default Title","offer_id":56769567392089,"sku":"10231","price":39.95,"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 1000mg - 100 tabs","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":18.95,"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\/collections\/betaine.oembed","provider":"Plenthera","version":"1.0","type":"link"}