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Spirulina | Plant Protein & Antioxidants

Spirulina | Plant Protein & Antioxidants

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Spirulina — nature's most complete plant protein and greens booster in one.

Grown in the mineral-rich, sun-drenched lakes of China, spirulina is 60%+ plant protein and packed with iron, B-vitamins and chlorophyll. Choose the 200g powder for smoothies and greens bowls, or 120 vegan capsules for a mess-free 1500mg dose.

You'll Love How It Makes You Feel

Complete Plant Protein

Over 60% protein with all essential amino acids — a clean plant-based boost for training and recovery.

Natural Everyday Energy

Rich in iron and B-vitamins — supports steady energy without the caffeine roller-coaster.

Iron For Vegans & Athletes

One of nature's most iron-rich foods — supports normal red blood cell production.

Greens & Detox Support

Loaded with chlorophyll to complement your greens intake and support natural detox pathways.

Immune Support

Contains phycocyanin — the pigment giving spirulina its signature blue-green colour and antioxidant power.

Clear Skin From Within

Nutrient-dense greens support a healthy, radiant complexion from the inside out.

"My go-to pre-workout for years. Steady energy, no jitters, and my iron levels have never been better."
— verified Nature Origins customer

100% Pure Spirulina — Powder or Capsules

Nothing Added, Nothing Removed

Just pure, cold-dried spirulina — the same premium biomass in every capsule, no binders, no fillers.

Grown In Protected Waters

Cultivated in dedicated, filtered freshwater ponds — never harvested from open lakes, so it's free of pond-scum contaminants.

Powder or Capsules — bold greens, your choice

Spirulina has a bold, oceanic flavour — the 200g powder shines when blended with banana, pineapple or citrus. Not a fan of the taste? The 120 capsules give you the same 1500mg serving with zero flavour and zero mess.

Sourced From China's Pristine Lake Regions

China's Sun-Rich Lakes

Grown in mineral-rich alkaline waters under long hours of sunshine — the ideal conditions for potent spirulina.

Cold-Dried For Potency

Harvested daily and gently cold-dried at low temperature to preserve phycocyanin, protein and delicate nutrients.

Pure, Tested & Trusted

Every batch is tested for heavy metals, microcystins and microbes — safe, clean spirulina you can trust every day.

How & When To Take

How To Take

Powder

Blend 1 tsp into a fruity smoothie — banana, pineapple and mango tame the greens.

Capsules

Take 3 capsules with water — the same 1500mg serving, zero taste.

Pre-Workout

Great 30 minutes before training for plant protein and iron support.

When To Take

Easy

One serving daily, any time — with a meal helps with iron absorption.

Pro

TRAINING: 1 serving pre-workout, 1 post. PLANT-BASED: split morning and evening for steady amino-acid supply.

Verified Customers Only
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Based on 10 reviews
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Energy without caffeine

I dropped my afternoon coffee after a month on these. Genuinely more steady energy through the day.

Zara F. · 16 May 2026

Great pre-workout

Mix it with pineapple juice before the gym. Feel stronger, recover quicker.

Ben O. · 1 May 2026

Iron levels up

Vegan for years and my iron was always borderline. Three months on the capsules and everything's back in range.

Lila V. · 20 April 2026

Post-workout staple

Recovery is faster and I have real energy for evening training.

Amir K. · 23 March 2026

Protein boost

Great addition to my plant-based diet. Sneaks into smoothies easily.

Jess T. · 9 March 2026

Nails and hair stronger

Two months in — nails aren't peeling and hair is growing back thicker.

Nora L. · 21 February 2026

Steady focus

Sharper through the afternoon slump. No caffeine crash.

Freddie H. · 3 February 2026

Clean and pure

You can tell it's tested — no fishy aftertaste like other brands.

Deepa M. · 17 January 2026

Capsules on the go

Perfect for travel. Same benefits, zero mess.

Owen P. · 30 December 2025

Feel more nourished

My skin, energy and mood all lifted. Something's working.

Lauren V. · 12 December 2025

Our Promise

Zero risk & so much to gain.

You're not stuck with something that doesn't work

Our 30-day money-back guarantee lets you try our products properly and request a refund or exchange within 30 days if they're not right for you.

Free expert support so you're never guessing

Get free guidance from our nutritionists (with decades of experience) any time — so you can use our products easily, correctly and confidently.

Any shipping issues get handled fast

Our support team is always available to walk you through any issues with your order. We've never let a Nature Origins customer down.

Contact

Get in touch.

Our lovely team of nutritionists and wellbeing experts are here to help.