Quick answer
Divide the total you pay by the number of servings you receive to get cost per serving, then multiply by servings per day for cost per day. Compare packs, shipping and refund terms on that same basis, and ignore ingredient hype that lacks stated amounts.
Key points
- Cost per day = total paid divided by servings received, times servings per day
- Include shipping, tax and any recurring charges in the total
- Multi-bottle packs only help if you would actually use every bottle
- Unstated ingredient amounts make value hard to judge
Why the sticker price misleads
A bottle priced low can cost more per day than a bottle priced high. The only way to know is arithmetic, and the arithmetic takes about two minutes. This guide uses variables instead of dollar figures on purpose, so you can drop in the numbers you see at checkout. For current Strong Peak pricing, use our price page and the brand's order page, because numbers change and we do not quote them here.
The formula in four lines
- T = the total you actually pay, including shipping and tax.
- S = the total number of servings you receive.
- Cost per serving = T ÷ S.
- Cost per day = (T ÷ S) × D, where D is the servings you take daily.
Strong Peak is a gummy meant for once-daily use according to the brand's order page, with 30 gummies shown on the bottle image, so D is 1 and S is 30 per bottle. Confirm both on your label. If a brand tells you two or three gummies per day, the same bottle lasts a fraction as long.
A worked example with variables
Say a single bottle costs P1 with shipping X1, and a multi-bottle pack of N bottles costs P2 with shipping X2. Then:
- Single bottle cost per day = (P1 + X1) ÷ 30
- Pack cost per day = (P2 + X2) ÷ (30 × N)
Whichever result is smaller is cheaper per day. Packs of 2, 3 and 6 bottles exist for Strong Peak, so N could be 2, 3 or 6. Put in what you see and compare. That is the whole trick.
The hidden terms that change the answer
Shipping and tax
Free shipping on a pack and paid shipping on a single bottle can flip the result. Always use the final checkout total, not the headline.
Recurring orders
If a deal involves a subscription, find out how to cancel and when the next charge happens before you pay. Treat an auto-renewal as a separate decision.
The refund terms
The brand states a 60-day satisfaction guarantee. That has value only if you understand how a claim works: who pays return shipping, whether opened bottles are accepted, and what proof is needed. Read the terms on the order page and see our refund checklist.
The usage test
A six-bottle pack with a low cost per day is only a bargain if you will use all six. Ask yourself:
- Will I still want this after the first bottle?
- Do I tolerate it? Gummies can cause stomach upset in some people.
- Will my doctor or pharmacist be fine with it? If you have not asked, ask before stocking up.
If the answer to any is uncertain, buying the smallest option first is often the rational choice, even if the cost per day is higher. Think of the difference as the price of finding out.
Value is not only price
Cost per day assumes two products deliver comparable things. For supplements, that is hard to know. Here is what to compare beyond cost:
- Stated amounts. Does the label list each ingredient amount, or only a total? Strong Peak's nine ingredients appear without per-ingredient amounts in the materials we reviewed.
- Form. Gummy vs capsule affects sugar and additives (see what to check in gummies).
- Testing. Is there independent verification?
- Claims. Does the marketing use careful language?
An ingredient with an unstated amount is, for comparison purposes, a blank. You cannot say a 9-ingredient product beats a 3-ingredient product when the quantities are unknown. Our synergy claims reality check goes deeper.
Reading independent feedback
Before you decide, look at how people describe their experience, with caution. Our reviews page explains how we treat feedback and why we do not invent ratings or testimonials. Personal experiences are anecdotes, not evidence, and affiliate sites like this one earn a commission if you buy through our links, so weigh what we say accordingly.
Five-minute checklist
- Write down T, S and D for each option.
- Compute cost per day for each.
- Subtract the value of any terms you will not use.
- Add your own risk tolerance for a large upfront purchase.
- Check with a doctor or pharmacist about anything you take regularly.
When the cheapest option is not the best
The lowest cost per day can be the wrong choice if the terms are unclear or the product is not right for you. Think of price as one input, not the verdict, and give your own comfort and safety first place.
For tips on being a careful buyer in general, read the FTC's health products compliance guidance to see what advertisers are expected to substantiate, and the NCCIH advice on using dietary supplements wisely. This is general information, not medical advice.
Frequently asked questions
References
- FTC: Health Products Compliance Guidancewww.ftc.gov
- NCCIH: Using Dietary Supplements Wiselywww.nccih.nih.gov