BiOptimizers Magnesium Breakthrough vs Thorne Basic Nutrients 2/Day
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
BiOptimizers Magnesium Breakthrough (mid, $35.19–$39.99) vs Thorne Basic Nutrients 2/Day (mid, $29–$39) - different tools for different jobs (see the per-product details below).
Compared on 3 shared specs · same category (supplement).
These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.
Side-by-side specs
| Spec | BiOptimizers Magnesium Breakthrough | Thorne Basic Nutrients 2/Day |
|---|---|---|
| price | $35.19–$39.99 | $29–$39 |
| servings | 30 per bottle | 30/bottle |
| dose | 2 caps | 2 caps/day |
| certifications | cGMP, third-party tested | NSF GMP, third-party tested |
BiOptimizers Magnesium Breakthrough also publishes: forms
Thorne Basic Nutrients 2/Day also publishes: features
Who should buy which
Buyers who want a credible all-purpose magnesium without researching which form to take, and who can tolerate aggressive brand marketing in exchange for a well-formulated stack.
You already know you want a specific form (glycinate for sleep, threonate for cognition), or you prefer minimalist clinician-brand aesthetics like Thorne or Pure Encapsulations.
Anyone wanting a clinically credible multivitamin without paying AG1 prices, or buyers with MTHFR mutations needing methylated forms.
You want a one-scoop daily greens powder (AG1), or you take individual supplements custom-tuned to your labs.
Go deeper
Frequently asked
Which is better, the BiOptimizers Magnesium Breakthrough or the Thorne Basic Nutrients 2/Day?
They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.
How much do they cost?
BiOptimizers Magnesium Breakthrough: $35.19 to $39.99. Thorne Basic Nutrients 2/Day: $29 to $39. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
BiOptimizers Magnesium Breakthrough: Buyers who want a credible all-purpose magnesium without researching which form to take, and who can tolerate aggressive brand marketing in exchange for a well-formulated stack. Thorne Basic Nutrients 2/Day: Anyone wanting a clinically credible multivitamin without paying AG1 prices, or buyers with MTHFR mutations needing methylated forms.

