30% off first order

Methyl B-Complex Reviews

Methyl B-Complex,
in their words.

Your feedback shapes every formula we build. Read real stories from members, share yours, and see how personalized stacks are working for women like you.

Average rating

4.70

from 473 reviews

Worth a read

What people are saying

The reviews are in — and they've been loving the results.

My evenings have completely changed

I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.

Nour M.

changed my whole routine tbh

used to take like 5 different supplements every morning and always forgot at least two of them. now i take one stack pack and that's it. so much simpler. and the results are actually better. wild.

Hazel B.

Simple, smart, and it actually works

The packaging is some of the nicest I've seen in wellness. But beyond aesthetics, the product delivers. My energy throughout the day is more stable and I'm recovering faster from workouts. I was genuinely skeptical.

Ashley N.

Reviews

F
Frida L.
5.0

My mood is noticeably more stable now

hadn't realized how much my mood was affected by nutritional gaps until stack filled them. i'm calmer, more positive, less reactive. my partner has noticed and appreciates it too.

I
Imogen S.
5.0

Life admin supplement routine all sorted

I used to spend so much mental energy on my supplement routine. Stack eliminated all of that.

S
Spencer E.
5.0

nice experience and real results

nice experience with Stack from start to finish.

E
Elspeth F.
5.0

Completely changed my relationship with mornings

I used to dread mornings. Now I have a simple ritual - water, Stack pack, go. The energy I have from being properly supplemented has made mornings something I actually enjoy.

A
Alice V.
5.0

really love this

genuinely works. totally recommend.

A
Araminta S.
5.0

This brand genuinely cares

You can tell from the quiz design, the ingredient quality, and the personalized packaging that Stack genuinely cares about getting results for individual customers rather than just selling a generic product with a premium price tag.

X
Xavi L.
4.0

My husband is on it too now

I started Stack six months ago. Three months in my husband looked at my energy levels and signed up himself. Two months later he's as converted as I am. When two skeptical adults in the same household both get results, you know it's real.

A
Araminta C.
5.0

Strong product, a couple of small gaps

Strong product - the personalization quiz is impressive and the results after six weeks are solid.

G
Georgiana S.
5.0

improvements came gradually which is fine

the improvements with Stack have been gradual rather than dramatic - which is probably how real nutritional supplementation should work.

N
Nadia G.
5.0

Consistent energy throughout the day

The travel-friendly packaging sold me initially but the results kept me. I take my Stack pack every morning before work and the sustained energy throughout the day is noticeable. No afternoon crash anymore.

H
Hunter R.
5.0

solid choice for personalized supplements

solid choice for anyone who wants personalized supplementation without the complexity of managing multiple products. the quiz is thorough, the formula is right, and the results are real. minor gripes but overall very happy.

J
Jake C.
5.0

good product overall with minor notes

good product overall.

Your turn

Build a stack that earns a 5-star review of its own.

Personalized vitamins in 2 minutes. No guesswork — just what your body needs.

Take the quiz