After the workout, a member stops at the front desk. "Bhaiya, ek scoop whey de do, paise kal dunga." You give it, of course. He is a regular.

By the end of the month there are fifteen such "kal dunga" in the notebook, two boxes are empty that nobody remembers selling, and one box on the shelf expired last week. Supplements were supposed to make extra money. Instead you are not even sure they make any.

Your members buy protein, pre-workout and creatine anyway. The question is only whether they buy it from you or online. Done well, the front desk is the easiest shop they have.

Why sell supplements at all

  • Your members trust you more than an online ad.
  • They can buy after the workout, exactly when they need it.
  • Every sale is money next to the fees, from members you already have.

But it only works if three things are under control: what you stock, how much is left, and who has paid.

1. Stock only what moves

Do not fill the shelf with twenty brands. Start small:

  • One or two whey proteins your trainers actually recommend
  • Single scoops or sachets for members who do not want a full box
  • Drinks and energy bars for after the workout

Look at what sells after one month. Order more of that, and stop ordering what is still on the shelf.

2. Buy from someone you trust

Fake and expired supplements are a real problem. If a member gets sick from a box you sold, it is your name they remember.

  • Buy from the brand or an authorised distributor, not from the cheapest seller.
  • Check that the box shows the FSSAI licence number and a clear expiry date.
  • Keep the bills, so you can show where every box came from.

Before you start selling, ask your CA how GST works for your gym on product sales.

3. Count every box, every week

Boxes do not walk away on their own, but they do disappear. A box was given to a trainer, a scoop was free for a friend, two sachets were "for testing".

Count your stock once a week, at the same time. Compare it with what was sold. If the numbers do not match, you know within a week, not after six months.

Also look at the expiry dates while you count. Put the box that expires first in front, and sell it first.

4. Keep udhaar small and on record

Some credit is normal. A member who trains every day and pays the next morning is not the problem.

The problem is credit that only lives in somebody's memory.

  • Every sale goes on the member's name, the moment it happens.
  • The member can see how much is pending.
  • Settle the amount at least once a month, ideally together with the fees.

Ek baar likh diya, toh na aap bhoolenge, na member.

5. Know your collection every day

At closing, you should know how much came in from products today, in cash and in UPI. If you only check at the end of the month, a missing ₹500 is impossible to trace.

A short checklist

  1. Start with a few products your trainers recommend.
  2. Buy only from the brand or an authorised distributor, and keep the bills.
  3. Count your stock every week and check the expiry dates.
  4. Put every sale on the member's name, at the moment of the sale.
  5. Settle credit at least once a month.
  6. Check the collection of the day, in cash and in UPI, every evening.

How Tresenly helps

In Tresenly you add your products once, with price and photo. Choose the category Other and name it Supplements, and all of them are listed together under their own heading.

At the front desk your staff find the member by their card or name, tap the products, and the sale goes on the member's tab. The tab is settled on the member page: paid on the spot in cash or UPI, or added to the pending fees. Every payment gets a receipt.

Turn on stock for a product, and Tresenly counts it down with every sale. Set when it should warn you, and the dashboard shows low stock before the last box is gone.

On the dashboard you see what came in today and this month, in cash and in UPI. The sales report shows your best-selling products, so you know what to order again.