There may be people out there (perhaps in your life and definitely on the internet) who will try to make you feel like you're doing something wrong (morally or practically) by giving your baby formula as you try to make breastfeeding work. A few passive aggressive sighs about how "artificial" formula is and "alternative facts" about its nutritional value or anecdotes about how supplementing destroyed their friend's cousin's aunt's, co-worker's, boss' ability to nurse may be in your future. You know, fun stuff like that.

Here's the thing: they don't know you, they don't know your situation, and chances are they are not experts. Be open to learning from other people's experiences or knowledge, but don't take one person's judgment or naysaying as proof that you're doing the wrong thing. You need to find what works for you.

Among the risks one runs when supplementing is that doing so will affect your supply. This is a bigger risk if you replace scheduled feedings with a bottle of formula because, in essence, you're telling your body, "Hey, the baby hasn't eaten in a while. I guess they're good. Boobs, you can go ahead and ease up on the milk production."

This, in turn, diminishes your supply, which will frustrate your baby when they do go to the breast and don't get enough to satisfy or nourish them. So do make sure you're nursing frequently and for a sufficient period of time. This could mean you're nursing 10 times a day and for 20 minutes on each breast. It's time consuming as hell, but normal.

Your body needs time to figure out just how hard it has to work to feed your hungry kid. Some women need more time to get things going (especially first-time moms and women who have had a c-section, since their body is also working super hard at recovering from major abdominal surgery). In the meantime, your baby doesn't care about you or your recovery or capabilities. Nope, they just want to eat. (Though, hey, newsflash you selfish, greedy little babies: you still need to learn how to do this, too, so maybe you're being a less efficient than you could be.)

You can't blame them, of course. They need to eat pretty constantly. Supplementing with just a little bit of formula (seriously, in my case it was milliliters at points, though a few ounces will sometimes be necessary depending on the circumstances) after a feeding (in my case, anyway, but some people recommend before) will be enough to satisfy. Your body is still learning that it has to produce more milk, so your supply will (hopefully) improve, but until it does your baby isn't hungry or nursing so frequently it's stressing you out to a point that will hurt your supply.

Slow-flow nipples — bottle nipples that keep the milk from coming out too fast — are recommended for breastfed babies because they are more akin to human nipples in the speed with which your baby can get milk.

This does a couple of things. One, it keeps things more consistent for your baby. Two, it makes your baby less likely to prefer the bottle to the breast (which they might if they can get more food quickly as opposed to having to work for it, like they do when they're latched on to you or a slow-flow nipple). Talk to your pediatrician about what will work best for your little one's needs.

Sometimes establishing supply is an issue, simply because baby is not inclined to nurse enough to get the dairy farm in full swing. (Full disclosure: this was not my experience.)

In cases like this (and others) doctors and lactation consultants will recommend regular pumping sessions, or even pumping after feedings, to ramp up production.

Often, supplementing parents will find they can slowly wean off formula all together. (Hooray for you, if that's what you want!) But sometimes parents will choose to continue incorporating formula into their baby's diet for any number of reasons. Replacing a nursing session with formula, while continuing to breastfeed, is best attempted once your supply is well established and you generally feel confident in your ability to nurse. After all, your body is always learning how much milk to make (and what kind, which is amazing), so replacing feedings too frequently can dwindle your supply.

That said, once your body gets the hang of things, old habits are hard to quit and you can usually play with your schedule or routine without deleterious effect. I personally didn't replace nursing sessions with formula until I was actually able to exclusively breastfeed for about two solid months, and then only infrequently for several months more (usually in an "emergency" situation, like if I hadn't pumped enough at work the day before so my partner could feed our baby while I was gone). Once I really had things down, I began combination feeding — breast milk whenever I was with my son but formula when I wasn't — starting around the time he was about 6 months old (replacing pumped breast milk with formula bottle by bottle) and then full-time when he was about 10 months old. We stopped giving him formula at 12 months, per his pediatrician, but I continued to nurse him until he was 17 months.

Your hospital might have them, or you might even have been sent samples in the mail. Take advantage of free stuff whenever possible. That sh*t is expensive, dude!

I hated the idea of buying formula when I wasn't really using it, at least not full-time. My baby was taking so little at a time that figuring out the proper serving was difficult in those quantities. I wasted so much formula. If I'd paid for it I would have been really miffed. However, I wound up with so many free samples that, even with regular supplementing for a month or so and occasionally after that, I didn't pay for formula until my son was about 4 months old.

Lactation consultants. Breastfeeding support groups. Pediatricians. Midwives. Friends. Family members. Books. Online resources. From information to cheerleaders, it's all out there, I promise! This is hard work and you deserve a pit crew of your very own to keep you going.

This is such a mental hurdle for some people but, I promise, you have absolutely nothing to feel guilty about. You are doing exactly what you are supposed to be doing: feeding your baby. Fed is best.