What many look at after 50
Over 50
Protein, vitamin D, vitamin B12 and calcium – a common set after 50, with official numbers that change with age.
$0.71a day
at the lowest prices, quality 75+
$3.10with typical prices
$22
a month
$261
a year, at the lowest prices

What it’s for
With age, the body takes up less vitamin B12 from food and the skin makes less vitamin D. Vitamin D and calcium are needed for bones, B12 for blood and nerves, and protein helps keep muscle as you get older.
Not medical advice.
What’s in it

Protein powder
30 g protein There’s no single daily amount for protein – it depends on body weight: 1.4–2.0 g per kg a day for people who exercise, from food and supplements together (ISSN).Not a recommendation. Not medical advice.
- Lowest
- $0.65
- Typical
- $2.61

Vitamin D
25 µg vitamin D 25 µg is more than the 15–20 µg recommended a day for adults (NIH).Not a recommendation. Not medical advice.
- Lowest
- 1.2¢
- Typical
- 8.2¢

Vitamin B12
1,000 µg vitamin B12 1,000 µg is more than the 2.4 µg recommended a day for adults (NIH).Not a recommendation. Not medical advice.
- Lowest
- 2.7¢
- Typical
- $0.19

Calcium
500 mg calcium 500 mg is less than the 1,000–1,200 mg recommended a day for adults, from food and supplements together (NIH).Not a recommendation. Not medical advice.
- Lowest
- 3¢
- Typical
- $0.23
Each color is one part of the combo – per day.
| Part | Lowest | Typical |
|---|---|---|
| Protein powder | $0.65 | $2.61 |
| Vitamin D | 1.2¢ | 8.2¢ |
| Vitamin B12 | 2.7¢ | $0.19 |
| Calcium | 3¢ | $0.23 |
Not medical advice
We compare prices and label data. The amounts are the ones we compare by – usually the common amount on labels – not recommendations. Talk to a doctor or pharmacist before taking supplements, especially if you are under 18, pregnant or on medication.
Prices: our own check of 7,383 products in US online stores (Nov 1, 2026). How we check











































