Methylfolate, B12 and everyday energy

Key takeaways

Folate and B12 work as a team to help your body make healthy red blood cells and DNA [1][2].
Plant-based eaters need a reliable source of B12, from fortified foods or a supplement, because B12 is found naturally mainly in animal foods [2].
Having an MTHFR gene variant is common. People with it can still process folic acid [3].
Our 5-MTHF has 3 mg of methylfolate per serving. That's above the upper limit NIH sets for folate from supplements, so talk to your doctor before taking it [1].
Sleep, regular meals and movement are the biggest energy levers for most people.

This guide clears it up. You'll learn what folate and B12 actually do, who's more likely to run low, what the science says about MTHFR, and a simple routine for everyday energy. And we'll be upfront: most people don't need methylfolate. Here's how to tell what's right for you.

What folate and B12 do

Folate is a B vitamin found in leafy greens, beans and many other foods. Folic acid is the man-made form added to fortified foods like bread and cereal. Methylfolate (5-MTHF) is the active form your body uses ^[1].

Vitamin B12 is found naturally mainly in animal foods like meat, fish, eggs and dairy ^[2].

Together, folate and B12:

Help make red blood cells, which carry oxygen around your body ^[1]^[2].
Help make DNA, the instructions inside every cell ^[1].
Help turn an amino acid called homocysteine into other useful compounds. Vitamins B6 and B2 (riboflavin) help with this process too.

Low folate or B12 can contribute to tiredness, but so can many other things, like short sleep, low iron, thyroid problems, stress and not eating enough. That's why a blood test, not a guess, is the way to know.

The truth about MTHFR

MTHFR is a gene that helps your body convert folate into methylfolate. You may have seen claims that people with an MTHFR variant "can't use folic acid" and must take methylfolate.

Here's what the CDC says ^[3]:

MTHFR variants are very common. More people in the US have at least one copy of a common variant than don't.
People with an MTHFR variant can process all forms of folate, including folic acid.
Folic acid is the only form shown to help prevent certain birth defects, called neural tube defects. Anyone who could become pregnant should take 400 mcg of folic acid daily, even with an MTHFR variant ^[3].

So methylfolate isn't a must for people with MTHFR. Some people and their doctors still choose it. That's a conversation for you and your doctor.

Your routine at a glance

Pillar	What it means this week
Eat	Eat leafy greens or beans daily. If you're plant-based, add a B12-fortified food.
Move	Walk 20 minutes on 4 days.
Rest & reset	Set a wake time and stick to it. Get daylight in the morning.
Supplement	If you and your doctor decide 5-MTHF is right for you, take 3 capsules daily with a meal.*

Want a routine made for you? Take our Find your routine quiz: energy and everyday tiredness.

Eat

Food first

The current Dietary Guidelines put whole, minimally processed foods first, with protein at every meal ^[4].

Folate-rich foods ^[1]:

Spinach, asparagus, Brussels sprouts and romaine lettuce.
Black-eyed peas, lentils, chickpeas and kidney beans.
Avocado, broccoli, oranges and peanuts.
Fortified breakfast cereals, bread and rice (these contain folic acid).

B12 sources ^[2]:

Fish, meat, poultry, eggs, milk and yogurt.
For plant-based eaters: fortified nutritional yeast, fortified breakfast cereals and fortified plant milks. Check the label, because amounts vary.

Riboflavin (B2) sources: milk, yogurt, eggs, lean meats, mushrooms and fortified cereals ^[5].

A plant-based plate

If you don't eat animal foods, build each meal around:

Protein: beans, lentils, tofu, tempeh, edamame or seitan.
Greens: spinach, kale, bok choy or broccoli.
Whole grains: oats, brown rice, quinoa or whole-grain bread.
A B12 source: fortified nutritional yeast or plant milk, or a supplement your doctor agrees with.

Smart swaps

Instead of	Try	Why
Plain pasta with butter	Pasta with spinach, white beans and garlic	Adds folate and protein
A sweet coffee drink	Fortified soy milk latte	Adds B12 (check the label)
Popcorn with butter	Popcorn with nutritional yeast	Savory, cheesy flavor, and B12 if fortified
Skipping breakfast	Fortified cereal with soy milk and berries	Folate, B12 and protein to start the day

A sample day

Breakfast: Fortified whole-grain cereal with fortified soy milk and a sliced banana.
Lunch: Lentil soup with spinach and a slice of whole-grain bread.
Snack: An orange and a handful of peanuts.
Dinner: Tofu and broccoli stir-fry with brown rice.
Evening: Popcorn sprinkled with nutritional yeast.

Three easy recipes

1. Black-eyed pea and collard skillet (Southern US, vegan, under $1.50 a serving)

1 can black-eyed peas, 1 bunch collards (chopped), 1 onion, 2 garlic cloves, smoked paprika, a splash of vinegar.
Sauté the onion and garlic. Add the collards and a splash of water, and cook until soft. Stir in the peas and paprika, and finish with vinegar.

2. Chana palak (chickpeas with spinach) (South Asian, vegan)

1 can chickpeas, 4 cups spinach, 1 onion, 1 tomato, 1 teaspoon garam masala, ½ teaspoon turmeric, ginger and garlic.
Cook the onion, ginger and garlic. Add the tomato and spices, then the chickpeas and spinach. Simmer for 10 minutes. Serve with rice or roti.

3. Avocado egg toast with asparagus (vegetarian)

2 slices whole-grain bread, ½ avocado, 2 eggs, 6 asparagus spears, lemon, salt and pepper.
Roast or pan-cook the asparagus. Mash the avocado on toast, top with eggs and serve the asparagus on the side.

Grocery list

Produce: spinach, collards, asparagus, broccoli, avocado, oranges, bananas, onions, garlic, ginger, tomatoes.
Protein: canned black-eyed peas, chickpeas, lentils, tofu, eggs, peanuts.
Grains: fortified whole-grain cereal, whole-grain bread, brown rice.
Fortified items: fortified soy milk, fortified nutritional yeast.
Pantry: garam masala, turmeric, smoked paprika, vinegar.

Move

It might feel backwards, but moving when you're tired often gives you more energy. Regular activity helps you sleep better, lifts your mood and builds stamina ^[6]. The Physical Activity Guidelines suggest 150 minutes of moderate activity a week plus muscle-strengthening on two days ^[6].

Always: warm up for 5 minutes and cool down for 5 minutes. Stop and talk to a doctor if you have chest pain, feel faint, get very short of breath or feel your heart racing in an unusual way.

4-week starter plan

Week	Beginner	Building	Strong
1	15-min walk, 4 days	25-min brisk walk, 4 days + 1 strength day	30-min cardio, 4 days + 2 strength days
2	20-min walk, 4 days	30 min, 4 days + 2 strength days	Add one interval session (1 min fast, 2 min easy)
3	20-min walk, 5 days + 1 strength day	30 min, 5 days + 2 strength days	Strength days go to 4 rounds
4	25-min walk, 5 days + 2 strength days	Keep it up; add a hill route	Keep it up; try a new activity

Strength day (no equipment, 2 to 4 rounds): 12 squats, 10 push-ups (knees or toes), 10 step-ups each leg, a 30-second plank.

Progress rule: move up when this week feels comfortable. On a low-energy day, do the Beginner version instead of skipping.

Moves to know

Step-up. Step onto a sturdy stair with one foot, bring the other up, then step down. Mistake: pushing off the back foot. Easier: hold a rail. Harder: a higher step.
Push-up. Hands under your shoulders, body straight, lower your chest and push back up. Mistake: sagging hips. Easier: on your knees or against a wall. Harder: feet on a step.
Plank. Forearms on the floor, body in a straight line. Mistake: holding your breath. Easier: on your knees. Harder: hold longer.

Rest & reset

Keep a steady wake time. It helps set your body clock, even more than bedtime.
Get morning daylight. Step outside for 10 minutes soon after you wake up.
Sleep 7 to 9 hours ^[7].
Don't skip meals. Long gaps can leave you running on empty.
Drink water through the day. Mild dehydration can make you feel tired.
Notice your energy pattern. Write down when you feel most tired for a week. It's useful to share with your doctor.

Where 5-MTHF fits

Herbal Bee 5-MTHF combines methylfolate with vitamin B12 (as methylcobalamin), vitamin B6 (as P-5-P), riboflavin (as riboflavin-5-phosphate) and betaine (TMG). It's made to support energy metabolism, normal nervous system function and healthy homocysteine metabolism.*

This isn't a product everyone needs. It's most useful for people whose doctor has recommended a methylated B-vitamin formula. Please talk to your doctor before starting it, for the reasons below.

How to take it: 3 capsules daily with a meal. One bottle is 30 servings. Individual results vary.

Subscribe & save: 15% off, currently ships every 6 weeks, skip or cancel anytime.

What's inside, and what the research says

Ingredient	Our amount	Reference point	Notes
L-methylfolate (5-MTHF)	3 mg (3,000 mcg) per serving	Adult upper limit for folate from supplements: 1,000 mcg a day ^[1]	Our amount is 3 times the upper limit. See safety.
Vitamin B12 (methylcobalamin)	3 mg (3,000 mcg)	Adults need 2.4 mcg a day ^[2]	Research hasn't shown one form of B12 is absorbed better than another ^[2]
Vitamin B6 (P-5-P)	45 mg	Adult upper limit: 100 mg a day ^[8]	High amounts over time can harm nerves ^[8]
Riboflavin (B2, as riboflavin-5-phosphate)	90 mg	Adults need 1.1–1.3 mg a day ^[5]	No upper limit set ^[5]
Betaine (TMG)	1.8 g per serving	—	Betaine can lower homocysteine, but higher doses have raised total cholesterol in studies ^[9]

The honest summary: these are nutrients your body needs every day. A supplement can help fill a gap, especially if your diet is low in them or your doctor finds you're low. But more isn't better, and our folate amount is high. Talk to your doctor about whether this amount is right for you.

Your 12-week roadmap

Weeks	Eat	Move	Rest	Supplement	Check-in
1–2	Greens or beans daily	20-min walk, 4 days	A steady wake time	Talk to your doctor before you start*	When do you feel most tired?
3–4	Add a B12-fortified food if plant-based	Add 1 strength day	Morning daylight	If your doctor agrees, take it with a meal	Is your sleep steady?
5–8	Try 2 new folate-rich recipes	150 min a week	Regular meals, no long gaps	Keep it consistent	What's changed in your energy notes?
9–12	Keep 3 go-to meals	2 strength days a week	Keep what's working	Ask your doctor about a follow-up blood test	Look back at your notes

Track it

Daily:

Ate leafy greens or beans
Had a B12 source (fortified food or animal food)
Walked or moved for 20 minutes
Got outside in the morning
Took 5-MTHF with a meal (if your doctor agreed)

Weekly:

2 strength sessions
Same wake time on most days
Wrote down my energy pattern

Myths vs facts

Myth: If you have MTHFR, you can't use folic acid. Fact: People with MTHFR variants can process all forms of folate, including folic acid ^[3].
Myth: Everyone should switch to methylfolate. Fact: Most people get what they need from food and fortified foods. Methylfolate is a choice to make with your doctor.
Myth: More B vitamins means more energy. Fact: If you're not low, extra doesn't add energy, and too much B6 over time can harm nerves ^[8].
Myth: Plant-based eaters get enough B12 from plants. Fact: B12 is found naturally mainly in animal foods. Plant-based eaters need fortified foods or a supplement ^[2].
Myth: Feeling tired always means a vitamin deficiency. Fact: Sleep, stress, iron, thyroid and many other things can cause it. A doctor can help you find out.

Safety first

Please talk to your doctor before taking 5-MTHF, especially if you:

Are pregnant, breastfeeding or could become pregnant. Folic acid is the form proven to help prevent neural tube defects, and CDC recommends 400 mcg daily ^[3]. Don't use this product in place of a prenatal vitamin unless your doctor says to.
Take other supplements with folate, B6 or B12, like a multivitamin or B-complex. The amounts add up.
Have, or might have, low B12. High folate intake can hide the signs of low B12 in blood tests while nerve damage continues ^[1]. Ask your doctor to check your B12 too.
Take certain medicines, including methotrexate, seizure medicines, or sulfasalazine. Folate can interact with them ^[1].
Have numbness, tingling or burning in your hands or feet. Stop and see your doctor. These can be signs of too much B6 or too little B12 ^[2]^[8].
Have high cholesterol or heart concerns. Betaine may raise cholesterol at higher doses ^[9].
Are under 18. This product is for adults.

Possible side effects: upset stomach, nausea or trouble sleeping. Take it with a meal, and earlier in the day if it keeps you up.

When to see a doctor

See a doctor if you have:

Tiredness that lasts more than a few weeks or gets in the way of daily life.
Shortness of breath, a racing heart, or pale skin.
Numbness, tingling or trouble with balance.
A sore, red tongue or mouth sores that keep coming back.
Memory problems, mood changes or confusion.

A simple blood test can check your folate, B12 and other common causes of tiredness.

FAQs

What's the difference between folate, folic acid and methylfolate?
Folate is the form in food. Folic acid is the man-made form in fortified foods and many supplements. Methylfolate (5-MTHF) is the active form your body uses ^[1].

Do I need methylfolate if I have MTHFR?
Not necessarily. CDC says people with MTHFR variants can process folic acid ^[3]. Talk with your doctor about what's right for you.

Is 3 mg of methylfolate too much?
It's 3 times the 1,000 mcg upper limit NIH sets for adults for folate from supplements ^[1]. Some doctors recommend higher amounts for specific reasons. Please ask yours before taking it.

How much B12 do plant-based eaters need?
Adults need 2.4 mcg a day. Fortified foods or a supplement are the reliable sources ^[2].

Can I take 5-MTHF with a multivitamin?
Check with your doctor first. Many multivitamins already contain folate, B6 and B12, and the amounts add up.

Is it vegan?
We've asked our manufacturer to confirm. It's gluten-free, soy-free and dairy-free.

Sources

NIH Office of Dietary Supplements. "Folate: fact sheet for health professionals." https://ods.od.nih.gov/factsheets/Folate-HealthProfessional/
NIH Office of Dietary Supplements. "Vitamin B12: fact sheet for health professionals." Updated July 2, 2025. https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
CDC. "MTHFR gene variant and folic acid facts." Updated July 16, 2026. https://www.cdc.gov/folic-acid/data-research/mthfr/index.html
US Departments of Agriculture and Health and Human Services. Dietary Guidelines for Americans, 2025–2030. Jan 2026. https://cdn.realfood.gov/DGA.pdf
NIH Office of Dietary Supplements. "Riboflavin: fact sheet for health professionals." https://ods.od.nih.gov/factsheets/Riboflavin-HealthProfessional/
ODPHP. "Top 10 things to know about the second edition of the Physical Activity Guidelines for Americans." https://odphp.health.gov/our-work/physical-activity/current-guidelines/top-10-things-know
Sleep Foundation. "How much sleep do we really need?" https://www.sleepfoundation.org/how-sleep-works/how-much-sleep-do-we-really-need
NIH Office of Dietary Supplements. "Vitamin B6: fact sheet for health professionals." https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/ ; Therapeutic Goods Administration (Australia). "Medicines containing vitamin B6." https://www.tga.gov.au/news/safety-updates/medicines-containing-vitamin-b6-pyridoxine-pyridoxal-or-pyridoxamine
Betaine supplementation moderately increases total cholesterol levels: a systematic review and meta-analysis. PMID 31809615. https://pubmed.ncbi.nlm.nih.gov/31809615/

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

This article is for general education and isn't medical advice.