What is the best protein powder for seniors in South Africa?

There is no single winner; choose on four criteria. First, protein per serving: 20–25 g, because older adults need about 25–30 g per meal. Second, leucine: roughly 2.5–3 g per serving, which 25 g of whey provides. Third, digestibility: isolate has less lactose than concentrate (typically under 1% versus about 3–8% in WPC80). Fourth, taste and sweetness: many older adults prefer mild flavours, and sucralose-sweetened shakes can be too sweet.

How do the options compare?

Rand per 30 g of protein is our calculation from price, tub size, scoop size and protein per scoop on retailer pages (October 2026):

Where does ATP Fitness fit?

ATP Fitness Unflavoured Whey Protein Isolate is a single ingredient with no sweetener, R900 for 800 g at the ATP shop (R112.50 per 100 g of powder), and it can be stirred into porridge, soup or yoghurt for people who dislike sweet shakes. The honest trade-offs: ATP does not publish protein per serving, so we cannot calculate a per-30 g figure and you should read the tub; no third-party certification is published; the shop showed it out of stock on 27 October 2026; and unflavoured whey tastes plain. USN Isozero is a credible alternative with stated protein and a certification claim on its page (Informed Choice, stated, not checked against the register).

Who should pick a concentrate?

If lactose does not bother you, a concentrate can save money. The Lifestyle Food product above is a concentrate with 15.2 g protein per 20 g scoop, so you need a bigger scoop for the same protein. Lactose-sensitive people should read whey protein and lactose intolerance.

What else should seniors check?

• Kidney disease: do not raise protein without medical advice. See is whey protein safe for kidneys.
• Milk allergy: whey is unsuitable, even lactose-free.
• Fortification: some shakes add vitamins; do not double up on vitamin D or iron.
• Cost: a tub lasts about a month at one shake a day.

Compare more in our whey isolate comparison and clean-label protein comparison. For targets, see how much protein older adults need and pair it with resistance training.

When should you see a professional?

Speak to a doctor or dietitian if you have unintentional weight loss, poor appetite, swallowing difficulty or kidney disease. This is general information, not personal medical advice.

Products mentioned