Metabolic Maintenance

B-Complex, 90 Capsules

Metabolic Maintenance B-Complex delivers a full-spectrum blend of B vitamins, including thiamine, riboflavin, niacin, B6, folate, B12, biotin, and pantothenic acid, to support energy metabolism, nervous system function, and the body's natural stress response.

4.7 across 1 sources

May be a fit for

  • Adults seeking B-vitamin support for daily energy metabolism
  • Individuals maintaining healthy homocysteine levels with a full B-complex
  • Those supporting nervous system function with a complete B-vitamin spectrum
$43.99

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CapsulesFormat
90 CapsulesPack size
The essentials

A closer look.

Metabolic Maintenance B-Complex delivers a full-spectrum blend of B vitamins, including thiamine, riboflavin, niacin, B6, folate, B12, biotin, and pantothenic acid, to support energy metabolism, nervous system function, and the body's natural stress response. It's designed for adults seeking reliable daily B-vitamin coverage without unnecessary fillers.

Why It's Worth Considering: Metabolic Maintenance formulates with straightforward, clean-label ingredient profiles and consistent potencies, making this a practical choice for practitioners and health-conscious individuals who want a no-frills, well-rounded B-complex.

The Apotheca perspective

50+ signals. A clearer standard.

Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.

89OUT OF 100
Manufacturing9595
Lab verification8383
Transparency6161

Our score is an editorial assessment, not a product certification or a guarantee of results.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking B-vitamin support for daily energy metabolism
  • Individuals maintaining healthy homocysteine levels with a full B-complex
  • Those supporting nervous system function with a complete B-vitamin spectrum
  • Active adults looking to replenish B-vitamins depleted by physical stress

Considerations

  • High-dose niacin with liver conditions (monitor liver enzymes)
  • B6 above 100mg/day long-term (risk of peripheral neuropathy)
  • Active cancer treatment (some B vitamins may interfere — consult oncologist)
Compatibility & interactions

Works Well With

Ask Gabriel for personalized stacking recommendations.

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

What to expect over time
Day 1–7

Energy Boost

Noticeable improvement in energy levels

Week 2–4

Mood & Stress

Reduced stress perception, better coping

Month 1–2

Neurological

Improved cognitive clarity and focus

Month 2–3

Homocysteine

Measurable homocysteine reduction (cardiovascular marker)

Based on B-complex supplementation research. Water-soluble — yellow urine color is normal and harmless.

Compare the options

Compare B-Vitamin Forms

Methylated vs Standard vs Synthetic

FeatureMethylated (active)StandardSynthetic (cheap)
B12 FormMethylcobalaminHydroxocobalaminCyanocobalamin
Folate Form5-MTHF (methylfolate)Folinic acidFolic acid (synthetic)
B6 FormP-5-P (pyridoxal-5-phosphate)PyridoxalPyridoxine HCl
Best ForMTHFR variants, optimal absorptionGeneral useBudget (requires conversion)
MTHFR SafeYes — bypasses mutationMostly yesNo — cannot be converted by 40% of population
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From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

4.7/5Aggregate source rating
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Social & community
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YouTube and creator perspectives

Coverage varies by product and brand.

351 product and brand ratings and mentions across 1 sources.

Good to know

A few useful answers.

Research & further reading

More category questions

What does methylated mean and why does it matter?

Methylated B vitamins are in their active, bioavailable form — your body can use them immediately without conversion. About 40% of the population has MTHFR gene variants that impair conversion of synthetic folic acid to active folate. Methylated forms (methylcobalamin, methylfolate, P-5-P) bypass this issue entirely.

Why does my urine turn bright yellow after taking B vitamins?

This is completely normal and harmless. Riboflavin (B2) is a bright yellow fluorescent compound. When you take more than your body needs, the excess is excreted in urine, causing the distinctive color. It's actually a sign your body absorbed the B vitamins and is eliminating what it doesn't need.

Can I take B-complex in the evening?

B vitamins support energy production, so morning dosing is generally recommended. Some people find evening B-complex disrupts sleep due to increased energy. However, B6 and B12 are involved in melatonin production, so individual responses vary. If evening dosing doesn't affect your sleep, it's fine.

How do I know if I need B12 specifically?

Signs of B12 deficiency: fatigue, brain fog, tingling/numbness in extremities, balance issues, mood changes, and pale skin. At-risk groups: vegetarians/vegans (B12 is only in animal foods), adults over 50 (reduced absorption), and those taking metformin or PPIs (which deplete B12). A serum B12 test plus methylmalonic acid (more sensitive) can confirm.

Is it safe to take B vitamins every day?

Yes — B vitamins are water-soluble, meaning excess is excreted daily. No accumulation risk at standard supplement doses. The exception is B6 (pyridoxine): chronic doses above 100mg/day can cause peripheral neuropathy (nerve damage). The P-5-P form is safer at higher doses than pyridoxine HCl.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Metabolic Maintenance - B-Complex, 90 Capsules Metabolic Maintenance

Apotheca quality score

89/100

The overall score combines several sources of information. The individual dimensions below show where those signals are stronger or more limited; they are not a simple average of the overall score.

Manufacturing9595
Lab verification8383
Review consensus100100
Practitioner signals5050
Community signals6363
Transparency6161
See available brand signals
✓
Third-party lab tested (heavy metals, contaminants)Pass
✓
GMP-certified manufacturing by Metabolic MaintenanceCertified
✓
Quality ingredients with verified sourcingGood
✓
Clinical evidence available for primary ingredientsAvailable
✓
Clean FDA regulatory recordNo issues
✓
Positive consumer reviews and community feedbackGood
✓
Authorized distribution channel verifiedDirect

Our score is an editorial assessment, not a product certification or a guarantee of results.

How our scoring works ↗