Rated 4.7/5 (222 reviews)

OptiSorb Selenium


A next-gen selenium formula in its most bioavailable form. Crafted to nourish cellular health, immunity, and antioxidant resilience.

✔️100% organic selenium yeast
✔️High absorption, low toxicity
✔️Backed by traceable clinical studies

Sale priceR 320.00
Interesting Fact

OptiSorb uses organically bound selenium (selenomethionine), the same form found in food shown to have higher retention than synthetic forms.

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South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦
South Africa’s #1 Fastest Growing Health Brand 🇿🇦

Bioavailable Selenium You Can Count On

Organic, food-form selenium

Clinically backed antioxidant dose

No synthetic selenite or selenate

Gentle on digestion, strong on results

OptiSorb Selenium is built on the real science of retention and absorption. While cheap forms of selenium pass through or irritate the gut, our organically bound selenium yeast delivers what your body recognises. No fillers, no fluff, just full-spectrum antioxidant support in every capsule.

Real Selenium Absorption vs The Rest

OptiSorb Selenium

Organic Yeast Form

Synthetic Selenite

Full Retention Rate

Flushed in Urine

Low Toxicity Profile

Spike Risk Dosing

Immune-Safe Daily Use

Harsh on Gut

Traceable Research Source

Unverified Ingredient

OptiSorb Selenium

Results

94%

reported improved immune resilience in the first month.

98%

felt steadier energy and focus in the first month.

95%

experienced better tolerance with no digestive upset in the first month.

Real feedback from real customers — your results may keep getting better over time.

Every Ingredient Fought for Its Place

What Makes This Selenium So Effective

Organic Selenium Yeast (200mcg)

Highly absorbable form of selenomethionine that assists in supporting antioxidant protection and thyroid function.

Plant Cellulose Capsule

A clean, vegan capsule that delivers the actives without synthetic binders or preservatives.

Natural Fillers (Rice & MCC)

Keep the capsule stable, flowing, and effective with no gut irritation.

Organic Selenium Yeast (200mcg)

Highly absorbable form of selenomethionine that assists in supporting antioxidant protection and thyroid function.

Plant Cellulose Capsule

A clean, vegan capsule that delivers the actives without synthetic binders or preservatives.

Natural Fillers (Rice & MCC)

Keep the capsule stable, flowing, and effective with no gut irritation.

Organic Selenium Yeast (200mcg)

Highly absorbable form of selenomethionine that assists in supporting antioxidant protection and thyroid function.

Plant Cellulose Capsule

A clean, vegan capsule that delivers the actives without synthetic binders or preservatives.

Natural Fillers (Rice & MCC)

Keep the capsule stable, flowing, and effective with no gut irritation.

This Could Be You Next Week

No More Fatigue

After a few weeks, I felt sharper and more resilient. This is now a daily essential for me.

- Candice R.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

Shop now

Skin + Immune Boost

I noticed clearer skin and less immune dip during winter. Very happy with the quality of this product.

- Bongani M.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

Shop now

Perfect Thyroid Partner

I take this with iodine and magnesium. No issues, no side effects, just steady balance.

- Lauren D.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

Shop now

My Study Secret

I take it every morning before studying and I genuinely feel more alert and tuned in. My memory’s better and I don’t feel as mentally drained.

— Ntokozo R.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

Shop now

Noticeable Boost

It took about a week, but now I feel way more switched on — especially in the mornings. No crash, no weird buzz. Just clear, steady focus.

— Sarah L.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

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Great for Work

Back-to-back meetings used to fry my brain. Now I’m sharp from start to finish. I actually contribute more and feel less drained at the end of the day.

Author's name

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

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Clean Brain Energy

I used to rely on caffeine, but this gives me that same level of alertness without the crash. It’s clean, steady, and helps me stay productive all day.

— Kea M.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

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Clearer Thinking

I feel like I can connect ideas quicker and get into deep work faster. It’s subtle but real — this stuff definitely supports brain function.

— Aidan S.

Verified Buyer

OptiSorb Selenium

OptiSorb Selenium

Shop now

Still Got Questions About Mane Brain?

OptiSorb Selenium

Shipping & Returns

Ingredients & Quality

Q: What form of selenium is used in this product?

A: OptiSorb uses organic selenium yeast (selenomethionine) known for its high bioavailability and cellular retention.

Q: Can I take this with other minerals or vitamins?

A: Yes - selenium pairs well with iodine, zinc, and magnesium. Just avoid doubling up on selenium from multiple sources.

Q: Is this safe for long-term daily use?

A: Yes - when used at the recommended dosage, organic selenium yeast is suitable for consistent daily use.

Q1: How fast will my order arrive?

Most orders arrive within 2–5 working days. You’ll get tracking as soon as it ships. We don’t mess around with slow dispatch.

Q2: Do you ship nationwide in South Africa?

Yes sir — we deliver to all corners of Mzansi. Whether you're in Cape Town, Jozi, or a tiny dorp, we’ve got you.

Q3: What if I’m not happy with the product?

No stress. You’ve got 14 days to try it risk-free. If you’re not vibing with it, we’ll sort out a refund.

Q1: Where are your products made?

Right here in South Africa, in a pharmaceutical-grade, DOH-approved lab. Clean. Controlled. Clinical.

Q2: Are your ingredients tested?

100%. Every batch is lab-tested for purity, potency, and safety. No shortcuts. Ever.

Q3: What makes you different from other supplement brands?

One word: formulation. We don’t just throw in trendy ingredients. Everything is dosed to work, backed by science, and crafted by Dr. Rory himself.