Seeking Health Homocysteine Nutrients – 60 caps
Original price was: $49.80.$37.20Current price is: $37.20.
B-vitamin supplement: Methylcobalamin, adenosylcobalamin, 5-MTHF (Quatrefolic®), pyridoxal-5-phosphate, riboflavin-5-phosphate, and betaine anhydrous (TMG).
Seeking Health formulation using bioactive, coenzyme forms of four B vitamins alongside trimethylglycine.
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What is Homocysteine Nutrients and who is it for?
Homocysteine Nutrients is a targeted B-vitamin and betaine formula designed by Dr. Ben Lynch, ND, for people working with a practitioner on methylation pathway support. Each capsule provides five nutrients in their active, coenzyme forms: L-5-methylfolate (as Quatrefolic®), methylcobalamin (as MecobalActive®), adenosylcobalamin, pyridoxal-5-phosphate, riboflavin-5-phosphate, and betaine anhydrous (TMG). These are the forms your body uses directly in methylation biochemistry, without requiring conversion from less active precursors.
This formulation makes most sense for adults who have identified a need for methylation pathway support, particularly those with MTHFR genetic variations or those whose healthcare provider has flagged elevated homocysteine on blood testing. It’s also suitable from age 4 and is formulated to be appropriate during pregnancy and breastfeeding, making it one of the more versatile methylation-focused B-vitamin products available.
Fairfield Nutrition Thoughts
Methylation support is one of the most common reasons people come to us with a stack of blood results and a list of confusing gene reports. Homocysteine Nutrients sits in the middle of that picture: it’s designed specifically for people who’ve had homocysteine flagged on a blood panel, who carry MTHFR variants, or whose practitioner has identified a need for active-form B-vitamin support in methylation pathways.
The evidence base for B vitamins in homocysteine metabolism is well-established and robust. What makes this formulation worth stocking is the combination of all five key methylation cofactors in their active coenzyme forms, including both methylcobalamin and adenosylcobalamin for B12, rather than relying on a single form. Dr. Ben Lynch’s involvement in the formulation reflects genuine expertise in this area, and the inclusion of Quatrefolic® folate and MecobalActive® B12 reflects a commitment to using licensed, quality-verified ingredient forms rather than generic alternatives.
Why This Formulation / How It Works
Most B-vitamin supplements use cheaper, non-active precursor forms: cyanocobalamin instead of methylcobalamin, folic acid instead of methylfolate, pyridoxine instead of pyridoxal-5-phosphate. For people with genetic variations that slow the conversion of these precursors into their active coenzyme forms, that matters. Homocysteine Nutrients skips the conversion steps entirely by providing the forms your methylation enzymes can use directly. The inclusion of both methylcobalamin and adenosylcobalamin is also noteworthy: these two B12 forms serve different roles in cellular biochemistry, and most formulas use only one.
The formula is clean and purposeful: five nutrients, all with specific roles in methylation pathways, no unnecessary additions. Quatrefolic® and MecobalActive® are licensed, third-party verified ingredient forms, which provides additional confidence in the actual content of what you’re taking.
Role in Methylation Pathways
Methylation is a biochemical process involving the transfer of methyl groups across a wide range of cellular reactions, including DNA expression, neurotransmitter synthesis, and amino acid metabolism. The enzymes that carry out these reactions require specific B vitamins as coenzymes. MTHFR, for example, requires riboflavin (as R-5-P) to function, while the MTR enzyme requires both methylcobalamin and folate. Pyridoxal-5-phosphate (P-5-P) is a coenzyme involved in over 140 enzymatic reactions, including those in the transsulfuration pathway where homocysteine is converted to cysteine and eventually glutathione.
Role of Betaine (TMG) in Methyl Group Donation
Betaine anhydrous (trimethylglycine) contributes three methyl groups to cellular biochemistry and participates in an alternative methylation pathway via the BHMT enzyme. This pathway can function independently of the folate-dependent remethylation route, providing a secondary mechanism for methyl group availability. TMG also facilitates the conversion of homocysteine to methionine, which is subsequently used to synthesise S-adenosylmethionine (SAMe), the body’s primary methyl donor.
When to Consider This
This formulation provides nutritional support for methylation pathways. It makes sense if you’re:
- Working with a practitioner who has identified elevated homocysteine on a blood panel and recommended B-vitamin support.
- Someone with confirmed MTHFR genetic variations who has been advised to use methylated or active-form B vitamins rather than standard folic acid.
- Pregnant or breastfeeding and seeking a methylation-focused B-vitamin formula that has been formulated as suitable for this life stage.
- A parent whose child (aged 4 and above) has been recommended methylation support by a healthcare provider.
- Someone who has tried standard B-complex supplements and found active-form alternatives better suited to their needs.
Supplement strategy: Many people introduce this alongside a foundational multivitamin or after establishing basic dietary foundations. It’s commonly used as a standalone methylation-focused formula or as part of a broader protocol recommended by a practitioner familiar with nutrigenomics. Those new to methylation support often start here before considering more complex formulations.
⚠️ Not suitable for: People sensitive to methyl donors who experience overstimulation or mood changes with methylated B vitamins. Take with your healthcare provider’s guidance if you have a history of sensitivity to B12 or folate supplementation. Do not take within 5 hours of bedtime.
How to Use
The manufacturer recommends taking 1 capsule with breakfast or early lunch, as needed, or as directed by your healthcare professional. Each capsule contains the full five-nutrient combination, so one capsule per day is the standard starting point. Do not take within 5 hours of bedtime, as the active B vitamins in this formula may interfere with sleep in some individuals.
This formula is suitable for adults and children aged 4 and above, and has been formulated as appropriate for use during pregnancy and breastfeeding. For children or during pregnancy, use under the guidance of a healthcare professional.
Ingredients
Per 1 capsule:
Folate (as L-5-methyltetrahydrofolate, Quatrefolic®) — 680 mcg DFE (400 mcg L-5-MTHF)
Vitamin B12 (as methylcobalamin, MecobalActive®) — 500 mcg
Vitamin B12 (as adenosylcobalamin) — 500 mcg
Vitamin B6 (as pyridoxal-5-phosphate) — 20 mg
Riboflavin (as riboflavin-5-phosphate, R-5-P) — 10 mg
Betaine Anhydrous (Trimethylglycine, TMG) — 500 mg
Other ingredients: Hydroxypropyl methylcellulose (capsule), microcrystalline cellulose, ascorbyl palmitate.
Allergen information: Free from gluten, dairy, soy, and common allergens. Suitable for vegetarians and vegans.
Quatrefolic® is a registered trademark of Gnosis S.p.A. MecobalActive® is a registered trademark of HealthTech BioActives SLU.
Common Questions
How is this different from a standard B-complex?
Standard B-complexes often use folic acid and cyanocobalamin, which require enzymatic conversion before your body can use them. Homocysteine Nutrients uses the active coenzyme forms directly: L-5-MTHF instead of folic acid, and both methylcobalamin and adenosylcobalamin instead of cyanocobalamin. For people with MTHFR variations or those who have been advised to avoid folic acid, this distinction matters.
Why does this include two forms of B12?
Methylcobalamin and adenosylcobalamin serve different biochemical roles. Methylcobalamin is involved in the folate-dependent remethylation pathway, while adenosylcobalamin is concentrated in mitochondria and participates in cellular energy metabolism. Using both provides broader coverage across the B12-dependent reactions in methylation biochemistry.
Can I take this if I’m pregnant or breastfeeding?
Seeking Health has formulated this product as suitable during pregnancy and breastfeeding. That said, any supplementation during pregnancy should be discussed with your healthcare provider, particularly if you’re already taking a prenatal multivitamin that contains folate or B12.
Why shouldn’t I take this close to bedtime?
Active B vitamins, particularly methylcobalamin and methylfolate, can have a stimulating effect in some people. Taking this within five hours of bedtime may interfere with sleep onset for those sensitive to methyl donors. Morning or early afternoon dosing sidesteps this for most people.
Warnings & Storage
Do not use if: You are sensitive to methyl donors and experience overstimulation, anxiety, or mood changes with methylated B vitamins. Consult your healthcare provider before use if you have a history of sensitivity to B12 or folate supplementation.
Cautions: Do not take within 5 hours of bedtime, as active B vitamins may interfere with sleep. Use in children under 18 should be under the supervision of a healthcare professional. If you are pregnant, breastfeeding, or taking medications, consult your healthcare provider before use.
Storage: Store in a cool, dry place, away from direct sunlight, and out of reach of children.
Always consult your healthcare professional before use if you have any pre-existing conditions or are taking medications.
| Weight | 0.092 kg |
|---|---|
| Suggested Use | Take 1 capsule, as needed, just prior to consuming high histamine foods or drinks. Or, take away from food if wanting to support healthy histamine levels in the digestive tract. Use as directed by your healthcare professional. Do not take this supplement and knowingly eat foods you are allergic to – it will not prevent allergic reactions. |
| Warnings | Children and pregnant or lactating women should consult their healthcare practitioner prior to use. This product contains an ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block is NOT EFFECTIVE for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease. DAO is not absorbed and does not have systemic activity. Histamine Block does not manage or address antibody-related or IgE-related food allergies. |
