Solgar Folate Metafolin 1000µg vs Life Extension BioActive B-Complex

Q: Is Solgar Folate Metafolin 1000µg worth the price compared to Life Extension BioActive B-Complex?

Solgar Folate Metafolin 1000µg scores 73.0/100 for value, while Life Extension BioActive B-Complex scores 72.0/100. Solgar Folate Metafolin 1000µg delivers better value overall.

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Solgar Folate Metafolin 1000µg and Life Extension BioActive B-Complex.

Last verified: 28 Mar 2026 · Based on 107 reviews

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Our Verdict: Solgar Folate Metafolin 1000µg or Life Extension BioActive B-Complex?

— AIScored Editorial Team

86.0

Score Summary

Solgar Folate Metafolin 1000µg scores 86.0/100 vs Life Extension BioActive B-Complex at 78.0/100. Solgar Folate Metafolin 1000µg wins on effectiveness, ingredient quality, value for money.

Solgar Folate Metafolin 1000µg vs Life Extension BioActive B-Complex: What Does the Data Say?

Folate (As Metafolin) 1000µg 60 Tablets from Solgar scores 86.0/100 overall while BioActive Complete B-Complex from Life Extension hits 78.0/100. The first product uses only the bioactive Metafolin form of folate at 1000µg per tablet and comes as tablets. BioActive Complete B-Complex packs methylcobalamin for B12, 5-MTHF for folate and benfotiamine for B1 into vegetarian capsules with a two-capsule daily dose that lasts 30 days. Solgar wins on effectiveness at 88.0/100 against 80.0/100 and on ingredient quality at 93.0/100 versus 86.0/100.

People with confirmed MTHFR gene mutations or diagnosed folate deficiency should pick Folate (As Metafolin) 1000µg 60 Tablets because it supplies L-methylfolate that the body absorbs directly. Those needing broader B vitamin support for energy and nervous system issues will find BioActive Complete B-Complex better since it delivers multiple bioactive forms in one product. Solgar costs £16.94 for 60 tablets while Life Extension sits at £8.08 for 60 capsules so the latter suits tighter budgets even though its value score of 72.0/100 trails Solgar's 73.0/100 by a whisker.

The Solgar tablets have no reported smell issues. Life Extension capsules carry a strong odour that several users mention when they first open the bottle. Both products suit users who want lab-confirmed improvements in blood levels or energy after consistent use.

How Do the Scores Compare?

Folate (As Metafolin) 1000µ...

BioActive Complete B-Comple...

	Folate (As Metafolin) 1000µ... Solgar	BioActive Complete B-Comple... Life Extension
Overall Score	86.0	78.0
Effectiveness	88.0/100 Best	80.0/100
Ingredient Quality	93.0/100 Best	86.0/100
Value for Money	73.0/100 Best	72.0/100
Side Effects	93.0/100 Best	84.0/100
Certifications	70.0/100 Best	56.0/100
Best Price	£11.91 £9.66 Amazon UK → -19% deal	£8.24 iHerb → Cheapest
Form	Tablets	None
Dose	None	None
Third-Party Tested	✗ No	✗ No
Reviews Analysed	57	50

Folate (As Metafolin) 1000µg 60 Tablets

Pros

✓Bioactive Metafolin® form (L-methylfolate) absorbed directly without MTHFR conversion — critical for MTHFR gene variant carriers
✓Multiple reviewers confirmed improved blood folate levels via lab tests, not just subjective feeling
✓Widely reported energy improvement and reduction in fatigue after consistent use
✓Clean ingredient profile — certified gluten-free, Kosher Parve, no artificial additives; packaged in glass bottle

Cons

✗Not third-party tested (e.g. NSF, Informed Sport) — relevant for those needing full verification
✗1000mcg dose significantly exceeds the standard adult RDA (400mcg) and pregnancy recommendation (600mcg) — medical supervision advisable
✗Premium price point relative to standard folic acid alternatives; 60 tablets is a 2-month supply at 1/day
✗Isolated reports of tablets being difficult to swallow for some users

Best For

Women planning pregnancy or in early pregnancy People with confirmed MTHFR gene mutations (C677T, A1298C) Those with diagnosed folate deficiency or elevated homocysteine Anyone who hasn't responded well to standard folic acid supplementation Individuals on methotrexate or other medications that deplete folate People seeking a clean, additive-free premium folate supplement

Amazon UK -19% £11.91 £9.66 Holland & Barrett £16.80

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BioActive Complete B-Complex, 60...

Pros

✓Methylcobalamin (B12), 5-MTHF (methylfolate), and benfotiamine (B1) — premium bioactive forms praised repeatedly by reviewers and confirmed in the formula
✓Multiple reviewers report noticeable energy increases and calmer nervous system within one to two weeks of starting
✓Several reviews from users with doctor-diagnosed B vitamin deficiencies report clear, measurable improvement
✓Transparent ingredient list with no unnecessary fillers — consistently praised across reviews

Cons

✗Distinctive strong supplement smell on opening — multiple reviewers flag it, particularly those sensitive to odours
✗60 capsules equals only a 30-day supply at the recommended two-per-day dose — shorter than many competitors
✗No independent third-party testing despite premium pricing; LE Certified is Life Extension's own in-house standard
✗Not vegan — vegetarian capsules only, which excludes a portion of the supplement market

Best For

People with MTHFR gene variants who cannot efficiently convert standard folic acid or cyanocobalamin Those with doctor-diagnosed B vitamin deficiencies seeking bioavailable forms High-stress or high-workload individuals needing reliable daily energy and nervous system support Athletes with elevated B vitamin requirements from training load

iHerb £8.24

View full review →

Score Breakdown: Solgar Folate Metafolin 1000µg vs Life Extension BioActive B-Complex

Solgar Folate Metafolin 1000µg Winner 86.0/100

Solgar's Folate as Metafolin 1000mcg delivers L-methylfolate (5-MTHF) via the patented Metafolin® form — the bioidentical, body-ready form of folate that bypasses the MTHFR enzyme conversion required by standard folic acid.

Effectiveness

Folate (As Metaf..

88.0/100

BioActive Comple..

80.0/100

Ingredient Quality

Folate (As Metaf..

93.0/100

BioActive Comple..

86.0/100

Value for Money

Folate (As Metaf..

73.0/100

BioActive Comple..

72.0/100

Side Effects

Folate (As Metaf..

93.0/100

BioActive Comple..

84.0/100

Certifications

Folate (As Metaf..

70.0/100

BioActive Comple..

56.0/100

What are the key differences?

Solgar Folate Metafolin 1000µg is best for: Women planning pregnancy or in early pregnancy, People with confirmed MTHFR gene mutations (C677T, A1298C)

Life Extension BioActive B-Complex is best for: People with MTHFR gene variants who cannot efficiently convert standard folic acid or cyanocobalamin, Those with doctor-diagnosed B vitamin deficiencies seeking bioavailable forms

Frequently Asked Questions

Which is better, Solgar Folate Metafolin 1000µg or Life Extension BioActive B-Complex? ▼

Solgar Folate (As Metafolin) 1000µg 60 Tablets wins with a high 86.0/100 score because it provides a 1000mcg dose for MTHFR gene mutations. High-stress individuals needing a full range of B vitamins like B12 and B1 should buy Life Extension BioActive Complete B-Complex for £8.08. Solgar Folate Metafolin 1000µg scores 86.0/100 overall while Life Extension BioActive B-Complex scores 78.0/100. Solgar Folate Metafolin 1000µg comes out ahead, scoring higher on effectiveness (88.0 vs 80.0). Solgar Folate Metafolin 1000µg is best suited for Women planning pregnancy or in early pregnancy and People with confirmed MTHFR gene mutations (C677T, A1298C). Life Extension BioActive B-Complex is better for People with MTHFR gene variants who cannot efficiently convert standard folic acid or cyanocobalamin and Those with doctor-diagnosed B vitamin deficiencies seeking bioavailable forms.

Is Solgar Folate Metafolin 1000µg worth the price compared to Life Extension BioActive B-Complex? ▼

Solgar Folate Metafolin 1000µg costs £9.66 while Life Extension BioActive B-Complex is £8.24. For value, Solgar Folate Metafolin 1000µg scores 73.0/100 vs Life Extension BioActive B-Complex's 72.0/100. Solgar Folate Metafolin 1000µg delivers better value relative to its quality.

Which has fewer side effects? ▼

Solgar Folate Metafolin 1000µg scores 93.0/100 for side effects (higher means fewer reported issues) while Life Extension BioActive B-Complex scores 84.0/100. Reviewers report fewer side effects with Solgar Folate Metafolin 1000µg. For certification and testing, Solgar Folate Metafolin 1000µg scores 70.0/100 vs Life Extension BioActive B-Complex's 56.0/100. Always consult a healthcare professional before starting any supplement.