Grass-Fed Whey Protein Isolate - Unflavoured

Name: Grass-Fed Whey Protein Isolate - Unflavoured
Brand: Transparent Labs
SKU: product-0302
Price: 65.00 GBP
Availability: InStock
Rating: 4.8 (20 reviews)

£65.00

Transparent Labs Grass-Fed Whey Protein Isolate is a single-ingredient protein supplement built around whey protein isolate sourced from grass-fed cattle.

High-protein isolate for post-training muscle recovery
Low residual fat and lactose from isolate processing
Suits mild lactose sensitivity better than whey concentrate
Supports daily protein targets in structured training
Single-ingredient formula with full label transparency

4.8 (20 reflections)

One-time purchase£65.00

Secure checkoutFree delivery over £5030-day returns

Transparent LabsGrass-Fed Whey Protein Isolate - Unflavoured

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About This Product.

Transparent Labs Grass-Fed Whey Protein Isolate is a single-ingredient protein supplement built around whey protein isolate sourced from grass-fed cattle. Whey isolate is the most refined form of whey — processed to remove the majority of fat and lactose — which means a higher proportion of protein per serving and a formula that tends to sit better for those sensitive to standard whey concentrates.

This suits anyone with a measurable protein target they are struggling to hit through food alone: people in structured strength or endurance training, those managing body composition, or individuals recovering from injury or surgery who have elevated protein requirements. It fits cleanly into a routine — post-training is the most common use case, but timing matters less than total daily intake.

The isolate form is specifically relevant if you have mild lactose sensitivity, since the processing step that elevates protein purity also strips most of the lactose. It is not, however, appropriate as a substitute for medical-grade protein support if you have a diagnosed condition affecting protein metabolism.

Transparent Labs publishes its formulation openly, which is the primary reason this product earns a place on a clinician-facing shelf. For a performance supplement, knowing exactly what is in the product — and what is not — matters. The grass-fed sourcing claim is made by the brand; as with any such claim, those for whom this is a priority should review the brand's own documentation.

Frequently Asked.

What is the difference between whey isolate and whey concentrate?

Whey concentrate retains more fat and lactose from the original dairy source. Isolate undergoes additional filtration to remove most of these, resulting in a higher protein percentage per serving and significantly less lactose — which is why it is often better tolerated by people with mild dairy sensitivity.

Is this suitable if I am lactose intolerant?

Whey isolate contains very little residual lactose as a result of the processing method, so many people with mild lactose sensitivity tolerate it well. If you have a confirmed intolerance or dairy allergy, check the label allergen information carefully and consult your GP or dietitian before use.

When is the best time to take this?

Post-training is the most commonly cited window, but research suggests total daily protein intake is the more meaningful variable. Take it whenever it helps you hit your daily target consistently.

Can I use this as a meal replacement?

No. Whey isolate is a protein supplement, not a nutritionally complete meal replacement. It lacks the fats, carbohydrates, fibre, and micronutrients a meal provides. Use it to supplement an adequate whole-food diet, not to replace meals.

Who should avoid this product?

Anyone with a diagnosed milk protein allergy should avoid whey entirely. Those with kidney disease or conditions affecting protein metabolism should seek advice from a clinician before increasing protein intake through supplementation.

Customer Reflections

Overall Sentiment

4.820 reflections

1 – 6 of 20 reflections

Finally a protein powder I trust

4 months ago

Switched to this after getting frustrated with proprietary blends that never tell you what's actually in them. Knowing exactly what I'm putting in is worth the price premium for me. Mixes well in water post-training, no bloating. I'll be rebuying.

Sits much better than my old whey

4 months ago

I've always had a bit of trouble with regular whey concentrate — nothing severe but enough to notice. This has been noticeably easier on my stomach. About three weeks in now and no issues at all. Vanilla flavour is decent, not too sweet.

5 months ago

Does exactly what it says. Clean label, good protein per serving, dissolves without clumps. No complaints.

Good product, pricey for the bag size

5 months ago

The quality is clearly there — mixes cleanly, I feel like I'm recovering better since switching, and the transparent labelling is genuinely reassuring. My one gripe is that at £59.99 you get fewer servings than I'd expect at this price point. I'll keep buying it, but I do wince a bit at checkout.

Solid all-rounder

5 months ago

Using this alongside creatine and a greens powder. Fits in seamlessly — I take it post-session and it doesn't interact weirdly with anything else in my stack. Texture in a shaker is smooth enough. Happy with it.

5 months ago

My physio recommended upping my protein intake after a knee surgery. This was the one she mentioned specifically because of the clean ingredient list. Six weeks post-op and I'm recovering well — obviously can't attribute that entirely to one supplement, but I feel good about what I'm taking.

Grass-Fed Whey Protein Isolate - Unflavoured

About This Product.

How to Take It

Frequently Asked.

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